Joseph P. St. Louis

Attorney Profile

Top Rated DUI-DWI Attorney in Tucson, AZ

Nesci & St. Louis, P.L.L.C.
 | 216 N Main Ave, Tucson, AZ 85701
Phone: 520-622-1222
Fax: 520-624-7817
Selected to Super Lawyers: 2009 - 2019
Licensed Since: 1987
Practice Areas:
  • Criminal Defense: DUI/DWI (50%),
  • Criminal Defense (50%)
Attorney Profile

Certified as a specialist in criminal law by the State Bar of Arizona, Joseph P. St. Louis focuses his practice exclusively on that area of the law. He is additionally board-certified in DUI defense law by the National College for DUI Defense, Inc. An attorney at Nesci & St. Louis, PLLC, and based in Tucson, Mr. St. Louis provides representation to clients throughout the state of Arizona.

Mr. St. Louis has received extensive recognition from his colleagues for his successful track record and superb ethics, including an AV Preeminent* peer review rating through Martindale-Hubbell. In addition, he has been selected for inclusion for several consecutive years in The Best Lawyers in America. Mr. St. Louis is admitted to practice in Arizona as well as before the U.S. District Court for the District of Arizona and the U.S. Court of Appeals for the 9th Circuit.

Mr. St. Louis has acted as defense counsel in nearly 200 jury trials during his distinguished career. The types of charges that he has worked on have included white collar offenses, drug possession and distribution, and violent crimes. Mr. St. Louis has extensive experience with death penalty cases in both state and federal court, and in two consecutive first-degree murder trials he was able to get all murder charges dismissed by the judge. Many other of his clients have benefited by his representation as well, with results, including acquittals and the negotiation of favorable plea agreements with the prosecution.

Mr. St. Louis majored in political science at The University of Arizona and received a Bachelor of Arts with departmental honors in 1984. His legal education was obtained at the University of Arizona College of Law, and he was awarded his Juris Doctor in 1987. A past president of Arizona Attorneys for Criminal Justice, Mr. St. Louis is a member of the National Association of Criminal Defense Lawyers and several other legal groups.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

 
Practice Areas
Lawyer Practice Area Pie Chart

Criminal Defense: DUI/DWI (50%): DUI/DWI

Criminal Defense (50%): Criminal Law, Felony, Murder, Sex Offenses

Focus Areas

DUI/DWI, Criminal Law, Felony, Murder, Sex Offenses

Selections

Selected to Super Lawyers for 11 yearsbottom-image

Super Lawyers: 2009 - 2019

Certificates and Credentials

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To: Joseph P. St. Louis
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About Joseph St. Louis

Admitted: 1987, Arizona

Professional Webpage: https://www.azdefense.com/attorneys/joseph-p-st-louis/

Honors/Awards:

  • Best Lawyers in America DUI/DWI, Best Lawyers in America, Woodford/White, 2018
  • The Top Attorneys in Arizona and New Mexico, Super Lawyers, 2009-Present
  • President, Arizona Attorneys for Criminal Justice, 2006
  • AV Preeminent 5.0 out of 5.0 Rating, Martindale-Hubbell, 2013
  • Top Lawyers in Tucson - DUI, Tucson Lifestyles Magazine, 2011
  • Top Lawyers in Tucson - DUI, Tucson Lifestyles Magazine, 2017
  • AV Preeminent 5.0 out of 5.0 Rating, Martindale-Hubbell, 2015
  • Regent, National College for DUI Defense, 2014
  • AV Preeminent Rating, Martindale-Hubbell, 2016
  • District Award of Merit, Boy Scouts of America, 2010
  • Best Lawyers in America - DWI/DUI, Best Lawyers in America, 2013
  • Top Lawyers in Tucson (DUI), Tucson Lifestyles Magazine, 2013
  • Best Lawyers in America - DWI/DUI, Woodford/White's Best Lawyers in America, 2015
  • Top Lawyers in Tucson - DUI, Tucson Lifestyles Magazine, 2014
  • Best Lawyers in America - DWI/DUI, Woodford/White's Best Lawyers in America, 2017
  • Top Lawyers in Tucson - DUI, Tucson Lifestyles Magazine, 2016
  • AV Preeminent Rating, Martindale-Hubbell, 2017
  • Top Lawyers in Tucson - Criminal Defense, Tucson Lifestyles Magazine, 2011
  • Best Lawyers in America - DWI/DUI, Woodford/White's Best Lawyers in America, 2014
  • AV Preeminent 5.0 out of 5.0 Rating, Martindale-Hubbell, 2014
  • Top Lawyers in Tucson - DUI, Tucson Lifestyles Magazine, 2015
  • Best Lawyers in America - DWI/DUI, Woodford/White's Best Lawyers in America, 2016

Special Licenses/Certifications:

  • Certified Specialist in DUI Defense - National College for DUI Defense, 2012
  • Certified Specialist in Criminal Law - Arizona State Bar, 2000

Bar/Professional Activity:

  • Arizona State Bar, Legal Services Committee, 1995-2000
  • Arizona State Bar, Member Assistance Committee, 2001-2011
  • Arizona State Bar, Member Assistance Committee, Chairman, 2003
  • Arizona State Bar, Criminal Rules Committee, 2009-2010
  • Pima County Bar Association, Member
  • Arizona State Bar Association, Member
  • Arizona Attorneys for Criminal Justice, Vice President-South, 2001-2003
  • Ninth Circuit Court of Appeals, 1993
  • National Association of Criminal Defense Lawyers, Lifetime Member
  • United States District Court, District of Arizona, 1987
  • Member, Arizona State Bar Criminal Rules Committee, 2008
  • Arizona State Bar, 1987
  • Member, Arizona State Bar's Criminal Jury Instruction Committee, 2003-2006
  • Regent, National College for DUI Defense, 2014
  • Chairman, Arizona State Bar's Membership Assistance Committee, 2004
  • Treasurer, Arizona Attorneys for Criminal Justice, 2014
  • Sustaining Member, National College for DUI Defense, 2011
  • Member, Arizona State Bar's Membership Assistance Committee, 2000
  • President, Arizona Attorneys for Criminal Justice, 2006
  • Faculty, National College for DUI Defense, 2013

Pro bono/Community Service:

  • Attorney Mock Trial Coach, 2009
  • Bear Den Leader, 2009
  • Cubmaster, Pack 209, 2011
  • Troop 209 Committee member, 2015
  • Troop 209 Committee Member, 2012
  • Tiger Den Leader, Cub Scouts, 2007
  • Cubmaster, Pack 209, 2010
  • Troop 209 Committee Member, 2016
  • Troop 209 Committee Member, 2013
  • Wolf Den Leader, Cub Scouts, 2008
  • Assistant Pack Leader, 2009
  • Troop 209 Committee Member, 2017
  • Troop 209 Committee Member, 2014

Scholarly Lectures/Writings:

  • Speaker, They Used to Call it Assault: The New Phlebotomists, 16th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 9, 2003 (with John Phebus)
  • Speaker, LOMAP Monitoring: Helping Lawyers Comply with Their Programs and Make Meaningful Changes in Their Practice, Monitor Training Program, State Bar of Arizona Member Assistance Program/Law Office Management Assistance Program, Phoenix, Arizona, April 21, 2000
  • Speaker, DNA Y2K: The New Generation of Tests, Victory at Sea, Arizona Attorneys for Criminal Justice, Long Beach, California, September 9, 2000 (with Simon Ford)
  • Speaker, Monitor Training, Monitor Training Program, State Bar of Arizona Member Assistance Program/Law Office Management Assistance Program, Tucson, Arizona, March 30, 2001
  • Speaker, The Blood Case Primer: A Whole New Ball Game, 14th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, April 28, 2001 (with Michael Bloom and Suzanne Crawford)
  • Speaker, Monitor Training, Monitor Training Program, State Bar of Arizona Member Assistance Program/Law Office Management Assistance Program, Phoenix, Arizona, November 9, 2001
  • Speaker, Using Death Penalty Jury Selection in a DUI Case, Public Defender Seminar, Arizona Attorneys for Criminal Justice, Flagstaff, Arizona, August 19, 2006
  • Speaker, Death Penalty Panel Discussion, 4th Annual APDA Statewide Conference, Arizona Public Defender’s Association, Phoenix, Arizona, June 24, 2005
  • Speaker, Victim’s Rights, Ethical Issues for Civil Attorneys with Criminal Clients, Pima County Bar Association, Tucson, Arizona, August 31, 2005
  • Speaker, Defending a DNA Case, DNA Seminar, James E. Rogers College of Law, Tucson, Arizona, September 14, 2005
  • Speaker, Using a Forensic Psychologist In the Mitigation Case: Views from a Trial Lawyer, Making the Case for Life VIII, National Association of Criminal Defense Lawyers, Oklahoma City, Oklahoma, October 1, 2005
  • Speaker, Working With Experts to Develop a Social History, Mitigation and a Defense, Mitigation and Mental Health Seminar, The Arizona Capital RePresentation Project and the Pima County Public Defender’s Office, Tucson, Arizona, October 21, 2005
  • Speaker, Recent TV Ads: Aimed at DUI Abatement or the Abatement of Right to Counsel?, DUI XX Seminar, Arizona State University College of Law Alumni Association, Phoenix, Arizona, February 3, 2006
  • Speaker, Death Penalty Panel Discussion, 5th Annual APDA Statewide Conference, Arizona Public Defender’s Association, Phoenix, Arizona, June 22, 2006
  • Speaker, I Within 3 Hours of D, “I Know What You Did Last Legislature:” A DWI Seminar, New Mexico Criminal Defense Lawyers Association, Albuquerque, New Mexico, October 19, 2007
  • Speaker, Dismantling the Blood Test, Strategies in Handling DWI and DUI Cases in Arizona, Lorman Education Services, Tucson, Arizona, November 17, 2006
  • Speaker, Victim’s Rights: Ethical Considerations, Strategies in Handling DWI and DUI Cases in Arizona, Lorman Education Services, Tucson, Arizona, November 17, 2006
  • Speaker, FOIA Talk, 2007 Winter Seminar, Arizona Attorneys for Criminal Justice, Prescott, Arizona, January 15, 2007 (with Chris Dupont)
  • Speaker, Using Death Penalty Jury Selection in a DUI Case, Lunchtime Seminar, Pima County Public Defender’s Office, Tucson, Arizona, March 2, 2007
  • Speaker, Blood from A to Z (and Then Some), 20th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 19, 2007 (with Michael Bloom)
  • Speaker, Getting Involved: How Public Defenders Can Make a Difference in the Justice System,6th Annual APDA Statewide Conference, Arizona Public Defender’s Association, Phoenix, Arizona, June 20, 2007 (Panel Discussion with Chris DuPont, Daniella De la Torre, and Jeremy Mussman)
  • Trainer, Breakout Sessions Co-Leader, 2007 Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 19-20, 2007 (with Gary Trichter)
  • Speaker, Blood from A to Z (and Then Some), DUI XXI Seminar, Arizona State University College of Law Alumni Association, Phoenix, Arizona, September 7, 2007 (with Michael Bloom)
  • Speaker, Voir Dire: A Capital Idea (Lessons Learned from Death), 2008 Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 19, 2008
  • Speaker, Blood Tests: So Easy a Cave Man Can Do It, 21st Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 2, 2008 (with Chester Flaxmayer)
  • Speaker, When a DUI is in the Big Court: From Child Abuse to 2nd Degree Murder, 21st Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 3, 2008 (With Stephen Barnard, Michael Bloom and Steve Jones)
  • Speaker, DUI: Challenging Blood Test Results, 6th Annual APDA Statewide Conference, Arizona Public Defender’s Association, Phoenix, Arizona, June 17, 2008 (with Chester Flaxmayer)
  • Trainer, Breakout Sessions Co-Leader, 2008 Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 17-18, 2008 (with Tracey Wood)
  • Speaker, The Latest in Blood Forensics, DUI XXV, Sandra Day O’Connor College of Law Alumni Association, Phoenix, Arizona, November 19, 2010
  • Trainer, Jury Selection Method Demonstration, Death Penalty Seminar, Arizona Capital RePresentation Project, Phoenix, Arizona, October 17, 2008 (with Natman Schaye and John Bailey)
  • Speaker, Lessons Learned from Recent Capital Trials, Death Penalty Seminar, Arizona Capital RePresentation Project, Phoenix, Arizona, October 17, 2008 (with Natman Schaye, Julie Hall and John Bailey)
  • Speaker, Blood Alcohol Testing, Save Your Breath for Tunica, Tennessee Association of Criminal Defense Lawyers, Tunica, Mississippi, October 30, 2008
  • Speaker, Jury Selection, DWI on Trial - The Big Apple IX, New York State Bar Association, New York City, New York, May 8, 2009
  • Speaker, The Time is Now: Learn How to Use PowerPoint in the Courtroom, 7th Annual APDA Statewide Conference, Arizona Public Defender’s Association, Phoenix, Arizona, June 17, 2009
  • Trainer, Breakout Sessions Co-Leader, 2009 Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 15-16, 2009 (with Steve Jones)
  • Trainer, Death Penalty Jury Selection Co-Leader, Pima County Public Defender’s Office, Tucson, Arizona, February 11-13, 2010 (with David Wymore, Richard Miller and Natman Schaye)
  • Trainer, Breakout Sessions Co-Leader, 2010 Summer Session, National College for DUI Defense Cambridge, Massachusetts, July 28-29, 2010, (with George Stein)
  • Trainer, Breakout Sessions Co-Leader, Summer Session 2011, National College for DUI Defense Cambridge, Massachusetts, July 29, 2011 (with Doug Murphy)
  • Moderator, Judges Answer the Top 10 Questions of DUI Defense Attorneys, 24th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 6, 2011 (Moderator, with Hon. Robert Doyle, Hon. Wendy Million and Hon. Paul Simon)
  • Speaker, Investigating & Preparing a Successful DUI Defense, 24th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 7, 2011 (with Michael Bloom and Stephen Barnard)
  • Speaker, Blood Metrology, 24th Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 7, 2011 (with Chester Flaxmayer)
  • Speaker, New Case Review; More Cases, More Changes, 25thAnnual Aggressive Defense of the Accused Impaired Driver Seminar, Arizona Attorneys for Criminal Justice, May 5, 2012
  • Speaker, Understanding Gas Chromatography, Winning at Every Level, National Association of Criminal Defense Lawyers/National College for DUI Defense, Las Vegas, Nevada, September 16, 2011 (with James Nesci)
  • Trainer, Breakout Session on Gas Chromatography, Winning at Every Level, National Association of Criminal Defense Lawyers/National College for DUI Defense, Las Vegas, Nevada, September 17, 2011 (with James Nesci)
  • Speaker, Top 10 Challenges to Blood Tests, TACDL 2011 DUI Conference, Tennessee Association of Criminal Defense Lawyers, Nashville, Tennessee, October 21, 2011
  • Speaker, First Person Opening, The OACDL Trial Skills Academy, Ohio Association Of Criminal Defense Lawyers, Columbus, Ohio, March 7, 2014 (with Kim Frye)
  • Trainer, Mock Trial, 20th Annual Mastering Scientific Evidence in DUI/DWI Cases, National College for DUI Defense/Texas Criminal Defense Lawyers Association, New Orleans, Louisiana, March 21-22, 2013 (with Erin Gerstenzang, Evan Levow and Bruce Edge)
  • Speaker, Daubertand the Scottsdale Crime Lab: Separating Science from Science Fiction, 26th Annual Aggressive Defense of the Accused Impaired Driver Seminar, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 3, 2013 (with Mark DuBiel, Lawrence Koplow and Clifford Girard)
  • Speaker, Daubert and the Scottsdale Crime Lab: Separating Science from Science Fiction 2013 APDA Statewide Conference, Arizona Public Defenders Association, Tempe, Arizona, June 27, 2013 (with Mark DuBiel, Lawrence Koplow and Clifford Girard)
  • Speaker, Creative Opening Statements: Getting to Not Guilty Right Out of the Gate, 2013 Summer Session, National College of DUI Defense, Cambridge, Massachusetts, July 27, 2013
  • Speaker, Creative Opening Statements: Getting to Not Guilty Right Out of the Gate, 2013 Public Defenders’ DUI seminar, NCDD/Georgia Public Defenders’ Standards Council, Atlanta, Georgia, October 17, 2013
  • Speaker, Blood Testing: Separating Science from Science Fiction, 2013 Public Defenders DUI Seminar, National College of DUI Defense/Georgia Public Defenders Standards Council, Atlanta, Georgia, October 17, 2013
  • Speaker, Blood Testing: Separating Science from Science Fiction, Stuart Kinard Memorial Advanced DWI Seminar, National College of DUI Defense/Texas Criminal Defense Lawyers Association, San Antonio, Texas, November 8, 2013 (with Chester Flaxmayer)
  • Speaker, Tear Whole Place Down: Challenging Blood Evidence by Challenging the Lab Itself, NCDD 2014 Winter Conference, National College for DUI Defense, San Diego, California, January 23, 2014
  • Speaker, Winning Blood Alcohol Challenges, 21st Annual Mastering Scientific Evidence in DUI/DWI Cases, National College For DUI Defense/Texas Criminal Defense Lawyers Association, New Orleans, Louisiana, 2014 (with Chester Flaxmayer)
  • Speaker, Ethics Jeopardy, 27th Annual Aggressive Defense Of The Accused Impaired Driver Conference, Arizona Attorneys for Criminal Justice, 2014 (with Karen Clark)
  • Speaker, Accreditation, Lies and ISO Standards: The Continuing Scottsdale Saga, 27th Annual Aggressive Defense Of The Accused Impaired Driver Conference, Arizona Attorneys for Criminal Justice, 2014 (with Lawrence Koplow)
  • Trainer, Breakout Leader, 2014 Summer Session, National College For DUI Defense, Cambridge, Massachusetts, July 25, 2014 (with Tom Hudson)
  • Speaker, New SFST Manual Cross Examination Demonstration, 2014 Summer Session, National College For DUI Defense, Cambridge, Massachusetts, July 25, 2014 (with Anthony Palacios)
  • Trainer, Mock Trial, 22nd Annual Mastering Scientific Evidence in DUI/DWI Cases, National College for DUI Defense and Texas Criminal Defense Lawyer Association, New Orleans, Louisiana, March 27-28, 2015 (with David Katz, Michael Hawkins and Jessica Phipps)
  • Speaker, Testing the Police: Challenging SFST’s at Trial, NCDD Wisconsin Public Defender OWI Training, National College for DUI Defense, Delevan, Wisconsin, October 8, 2014 (with Emily Jane Bell)
  • Speaker, Finding the Narrative, Stories, Themes and Theories, NCDD Wisconsin Public Defender OWI Training, National College for DUI Defense, Delevan, Wisconsin, October 9, 2014 (with Aaron Nelson)
  • Trainer, Trial Skills Breakout Leader, NCDD Wisconsin Public Defender OWI Training, National College for DUI Defense, Delevan, Wisconsin, October 10, 2014
  • Trainer, Sample Direct/Cross re: Accreditation and Standards, Science as Your Best Defense: Learning to Teach Judges and Juries the Science and Law of Blood and Breath Alcohol Testing, National College for DUI Defense, Scottsdale, Arizona, November 15, 2014 (with Chester Flaxmayer)
  • Speaker, Do Laboratory Accreditation and Standards Guarantee Accurate Test Results?, Science as Your Best Defense: Learning to Teach Judges and Juries the Science and Law of Blood and Breath Alcohol Testing, National College for DUI Defense, Scottsdale, Arizona, November 15, 2014 (with Chester Flaxmayer)
  • Speaker, Blood Testing: Separating Science from Science Fiction, NCDD Florida Public Defender Seminar, National College for DUI Defense, Orlando, Florida, January 21, 2015
  • Trainer, Scoring Points With Science: Crossing the State’s Blood Analyst, NACDL & NCDD’s 19th Annual DWI Means Defend With Ingenuity “Secrets Revealed: Overcoming the Illusion of Guilt”, National Association of Criminal Defense Lawyers and National College for DUI Defense, Las Vegas, Nevada, October 3, 2015 (with Andrew Mishlove)
  • Speaker, Statewide Blood Update, 28th Annual Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, Tucson, Arizona, May 2, 2015 (with Erik Brown)
  • Speaker, Why Breath Testing Doesn’t Work, DWI on Trial – Big Apple XV, New York State Bar Association, New York City, New York, May 14, 2015
  • Speaker, The Essentials of Headspace Gas Chromatography, 20thAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 23, 2015 (with James Nesci)
  • Speaker, Defeating Blood Tests: Bad Blood From the Vein to the Lab, 20thAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 23, 2015 (with James Nesci)
  • Trainer, Breakout Leader, 20thAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 24, 2015 (with Scott Joye)
  • Speaker, Blood Alcohol Testing for Dummies, Three Days in a Nutshell 2015, Cook County Public Defender’s Office and National College for DUI Defense, Oak Brook, Illinois, August 27, 2015
  • Speaker, Botched Breath Tests, NACDL & NCDD’s 19th Annual DWI Means Defend With Ingenuity “Secrets Revealed: Overcoming the Illusion of Guilt”, National Association of Criminal Defense Lawyers and National College for DUI Defense, Las Vegas, Nevada, October 2, 2015
  • Speaker, Don’t Believe Everything You Read: An Introduction to Blood Testing, NACDL & NCDD’s 19th Annual DWI Means Defend With Ingenuity “Secrets Revealed: Overcoming the Illusion of Guilt”, National Association of Criminal Defense Lawyers and National College for DUI Defense, Las Vegas, Nevada, October 2, 2015
  • Speaker, Case Study: Arizona Toxicology Lab, Science as Your Best Defense II: Learning to Teach Judges and Juries the Science and Law of Blood and Breath Alcohol Testing, National College for DUI Defense, Atlanta, Georgia, November 6, 2015 (with Chester Flaxmayer)
  • Speaker, Advanced Cross-Examination of the Blood Test Chemist and Phlebotomist, 21stAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 22, 2016
  • Speaker, Cross-examining the Analyst on Fermentation, NCDD 2016 Advanced Blood Course, National College for DUI Defense, Ft. Collins, Colorado, May 10, 2016 (with Dr. Carrie Valentine and Jimmie Valentine)
  • Trainer, Breakout Leader, 21stAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 21, 2016 (with Lawrence Koplow)
  • Speaker, Using Technology to Win Your Case, 21stAnnual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 22, 2016 (with Lawrence Koplow)
  • Speaker, Advanced Challenges to Crime Lab Procedures and Protocols, 2017 APDA Conference, Arizona Public Defenders Association, Tempe, Arizona, June 21, 2017
  • Speaker, SEC v. PAC-12 Summations: Compare and Contrast, 20th Annual DWI Means Defend with Ingenuity Seminar, Las Vegas, Nevada, The National College For DUI Defense/National Association Of Criminal Defense Lawyers, September 22, 2016 (with Tommy Kirk)
  • Trainer, Summations: Establishing a Rapport with the Jury, Las Vegas, Nevada, The National College For DUI Defense/National Association Of Criminal Defense Lawyers, September 23, 2016 (with Tommy Kirk).
  • Speaker, Do the Lab and its Methods Satisfy Basic Science?: Standards and Accreditation, Metrology 3.0: Science as Your Best Defense, San Diego, California, The National College for DUI Defense, November 3, 2016 (with Chester Flaxmayer)
  • Speaker, Practice Tips & Demonstrations: Standards and Accreditation, Metrology 3.0: Science as Your Best Defense, San Diego, California, The National College for DUI Defense, November 3, 2016 (with Chester Flaxmayer)
  • Speaker, Statewide Blood Testing Issues and How to Present Them to a Jury, NCDD Public Defenders Conference, Tucson, Arizona, National College For DUI Defense, January 18, 2017
  • Speaker, The Ugly Truth About Laboratory Accreditation (or why I don’t eat sausage anymore), 2017 NCDD Winter Session, Tucson, Arizona, National College For DUI Defense, January 20, 2017
  • Trial Skills Breakout Leader (with Peter Carini), The OACDL Trial Skills Academy, Ohio Association Of Criminal Defense Lawyers, 2014
  • Trainer, Breakout Leader 22nd Annual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 20, 2017 (with Craig Rosenstein)
  • Speaker, Serious Science, Blood Alcohol Analysis, 22nd Annual Summer Session, National College for DUI Defense, Cambridge, Massachusetts, July 21, 2017
  • Speaker, 2008 Summer Session, National College for DUI Defense, 2008
  • Speaker, Gas Chromatography for Beginners, 22nd Annual Mastering Scientific Evidence in DUI/DWI Cases, National College For DUI Defense/Texas Criminal Defense Lawyers, 2015
  • Speaker , Tennesse Association of Criminal Defense Lawyers, 2008
  • Participant, Mock Trial (with David Katz, Michael Hawkins and Jessica Phipps), 22nd Annual Mastering Scientific Evidence in DUI/DWI Cases, National College For DUI Defense/Texas Criminal Defense Lawyers Association, 2015
  • Speaker, Arizona Public Defender's Association, 2008
  • Speaker, Blood Testing: Separating Science from Science Fiction, NCDD Florida Public Defender Seminar, National College For DUI Defense, 2015
  • Speaker, 21st Annual Aggresive Defense of the Accused Impaired Driver seminar, Arizona Attorney's for Criminal Justice, 2008
  • Speaker, Why Breath Testing Doesn't Work, DWI on Trial - Big Apple XV, New York State Bar Association, 2015
  • Speaker, New York State Bar Association - DWI On Trial - The Big Apple IX, 2009
  • Speaker, Statewide Blood Update, 28th Annual Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys For Criminal Justice, 2015
  • Speaker, Arizona Public Defender's Association, 2009
  • Speaker, Bad Blood From the Vein to the Lab (with James Nesci), National College For DUI Defense, 2015
  • Speaker, Blood Testing - What Lawyers Need to Know About Forensic Gas Chromatography, Texas Criminal Defense Lawyers Association, 2010
  • Conference Organizer, Twenty-third Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys for Criminal Justice, 2010
  • Speaker, Defeating Blood Tests: The Essentials of Headspace Gas Chromatography (with James Nesci), National College For DUI Defense, 2015
  • Speaker, Voir Dire and Mini-Openings: Your Best Chance of Getting a Receptive Jury, Arizona Attorneys for Criminal Justice, 2010
  • Speaker, The Ugly Truth About Laboratory Accreditation (or why I don't eat sausage anymore), 2017 NCDD Winter Session, Tucson, Arizona, The National College For DUI Defense, 2017
  • Speaker, Blood Testing Laboratory Issues in DUI Cases, Wisconsin Association Of Criminal Defense Lawyers, 2010
  • Speaker, Statewide Blood Testing Issues and How to Present them to a Jury , NCDD Public Defenders Conference, Tucson, Arizona, National College For DUI Defense, 2017
  • Speaker, True Blood? Identifying Issues in Blood Alcohol Testing and Communicating Those Issues to Jurors, Defense of Drinking Drivers Institute, Georgia ICLE, 2010
  • Speaker, Cross-examining the Analyst on Fermentation (with Dr. Carrie Valentine and Jimmie Valentine), NCDD 2016 Advanced Blood Course, Ft. Collins, Colorado, The National College For DUI Defense, 2016
  • Speaker, DUI XXV, ASU Law School Alumni Association, 2010
  • Speaker, Using Technology to Win Your Case (with Lawrence Koplow), 21st Annual Summer Session, Cambridge, Massachusetts, The National College For DUI Defense, 2016
  • Speaker, Can They Do That?: What about Ethics?, Twenty-third Annual Seminar on Aggressive Defense of the Accused Impaired Driver, Arizona Attorneys For Criminal Justice, 2010
  • Speaker, Advanced Cross-Examination of the Blood Test Chemist and Phlebotomist, 21st Annual Summer Session, Cambridge, Massachusetts, The National College For DUI Defense, 2016
  • Speaker, Advanced DUI Blood Issues, Eighth Annual APDA Statewide Conference, Arizona Public Defenders Association, 2010
  • Speaker, Standards and Accreditation (with Chester Flaxmayer), Science as Your Best Defense II: Learning to Teach Judges and Juries the Science and Law of Blood and Breath Alcohol Testing, Atlanta, Georgia, National College For DUI Defense, 2015
  • Speaker, Case Study: Arizona Toxicology Lab (with Chester Flaxmayer), Science as Your Best Defense II: Learning to Teach Judges and Juries the Science and Law of Blood and Breath Alcohol Testing, Atlanta, Georgia, The National College For DUI Defense, 2015
  • Speaker, Problem Chromatograms: Finding What Ethically Helps (with James Nesci), 19th Annual Mastering Scientific Evidence in DUI/DWI Cases, Texas Criminal Defense Lawyers Association, 2012
  • Speaker, SEC v. PAC-12 Summations: Compare and Contrast, 20th Annual DWI Means Defend with Ingenuity seminar, Las Vegas, Nevada, The National College For DUI Defense/National Association Of Criminal Defense Lawyers, 2016
  • Speaker, Mock Trial (with James Nesci, Virginia Landry & Allen Trapp), 19th Annual Mastering Scientific Evidence in DUI/DWI Cases, Texas Criminal Defense Lawyers Association, 2012
  • Speaker, Do the Lab and its Methods Satisfy Basic Science: Standards and Accreditation (with Chester Flaxmayer), Metrology 3.0: Science as Your Best Defense, San Diego, California, The National College For DUI Defense, 2016
  • Dismantling the Blood Case, 25th Annual Aggressive Defense of the Accused Impaired Driver, Speaker, Arizona Attorneys for Criminal Justice, 2012
  • Speaker, Practice Tips & Demonstrations: Standards and Accreditation (with Chester Flaxmayer), Metrology 3.0: Science as Your Best Defense, San Diego, California, The National College For DUI Defense, 2016
  • 2012 New Case Review:  More Cases, More Changes, 25th Annual Aggressive Defense of the Accused Impaired Driver, Speaker, Arizona Attorneys for Criminal Justice, 2012
  • 25th Annual Aggressive Defense of the Accused Impaired Driver, Co-Chairman, Arizona Attorneys for Criminal Justice, 2012
  • Speaker, Blood Test Cross-Examination Demonstration (with James Nesci), 2013 NCDD Winter Session, National College For DUI Defense, 2013
  • Speaker, Mock Trial (with Erin Gerstenzang, Evan Levow and Bruce Edge), 20th Annual Mastering Scientific Evidence in DWI/DUI Cases, Texas Criminal Defense Lawyers Association/National Conference For DUI Defense, 2013
  • Speaker, Daubert and the Scottsdale Crime Lab: Separating Science from Science Fiction (with Mark DuBiel, Lawrence Koplow and Clifford Girard), 26th Annual Aggressive Defense of the Accused Impaired Driver Seminar, Arizona Attorneys for Criminal Justice, 2013
  • Speaker, Creative Opening Statements: Getting to Not Guilty Right Out of the Gate, 2013 Public Defenders' DUI seminar, NCDD/Georgia Public Defenders' Standards Council, 2013
  • Speaker, Blood Testing:  Separating Science from Science Fiction, 2013 Public Defenders' DUI Seminar, NCDD/Georgia Public Defenders Standards Council, 2013
  • Speaker, Creative Opening Statements: Getting to Not Guilty Right Out of the Gate, 2013 Summer Session, NCDD, 2013
  • Speaker, Blood Testing: Separating Science from Science Fiction (with Chester Flaxmayer), Stuart Kinard Memorial Advanced DWI Seminar, NCDD/Texas Criminal Defense Lawyers Association, 2013
  • Speaker, Daubert and the Scottsdale Crime Lab: Separating Science from Science Fiction (with Mark DuBiel, Lawrence Koplow and Clifford Girard), 2013 APDA Statewide Conference, APDA, 2013
  • Speaker, Winning Blood Alcohol Challenges (with Chester Flaxmayer), 21st Annual Mastering Scientific Evidence in DUI/DWI Cases, National College For DUI Defense/Texas Criminal Defense Lawyers Association, 2014
  • Speaker, Tear the Whole Place Down: Challenging Blood Evidence by Challenging the Lab Itself , 2014 Winter Session, National College For DUI Defense, 2014
  • Speaker, New SFST Manual Cross Examination Demonstration (with Anthony Palacios), 2014 Summer Session, National College For DUI Defense, 2014
  • Speaker, Ethics Jeopardy (with Karen Clark), Arizona Attorneys for Criminal Justice, 27th Annual Aggressive Defense Of The Accused Impaired Driver Conference, 2014
  • Speaker, Accreditation, Lies and ISO Standards: The Continuing Scottsdale Saga (with Lawrence Koplow) , Arizona Attorneys for Criminal Justice, 27th Annual Aggressive Defense Of The Accused Impaired Driver Conference, 2014

Verdicts/Settlements:

  • State v. Rowland, 172 Ariz. 182, 836 P.2d 395 (App. 1992)
  • State v. Greenway, 170 Ariz. 155, 823 P.2d 22 (1991)
  • United States v. Ramos, 815 F.Supp 1304 (D.Ariz. 1993)
  • United States v. Ramos, 39 F.3d 978 (9th Cir. 1994)
  • State v. Getz, 189 Ariz. 561, 944 P.2d 802 (1997)
  • State v. Zaragoza, 221 Ariz. 49, 209 P.3d 629 (2009)
  • State v. Bernini, 222 Ariz. 607, 218 P.3d 1064 (App. 2009)
  • Carrillo v. Houser, 224 Ariz. 463, 232 P.3d 1245 (2010)
  • State v. Chopra, 241 Ariz. 353, 387 P.3d 1282 (App. 2016)
  • State v. Bernstein, 234 Ariz. 89, 317 P.3d 630 (App. 2014), as amended (Feb. 6, 2014)
  • State ex rel. Montgomery v. Harris, 234 Ariz. 343, 322 P.3d 160 (2014)
  • State v. Bernstein, 237 Ariz. 226, 349 P.3d 200 (2015)

Educational Background:

  • University of Arizona, B.A., Honors: Departmental Honors, Major: Political Science, Minor: MIS/Philosophy, 1984, 1984
Office Location for Joseph P. St. Louis

216 N Main Ave
Tucson, AZ 85701

Phone: 520-622-1222

Fax: 520-624-7817

Joseph P. St. Louis:

Last Updated: 12/26/2018

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