
Losing Your Freedom Is Not an Option

Tucson Criminal Defense Attorneys
Award-Winning Criminal Defense Team in AZ
We Will Fight to Protect Your Future
Arrested or under investigation? Turn to Arizona’s award-winning defense team, Nesci & St. Louis. Our firm represents clients accused of crimes and those under investigation throughout Arizona. Our team of Tucson criminal defense lawyers are committed to obtaining the best results possible for you.
We will file motions challenging the government’s case on every factual and legal issue, and we regularly obtain the dismissal of charges for our clients prior to trial. If your case cannot be dismissed prior to trial, we are not afraid of going to trial and have successfully handled cases involving charges that include:
- DUI
- DUI Drugs
- DUI Homicide & DUI Manslaughter
- All Felony DUI matters - including DUI Aggravated Assault, Endangerment and Criminal Damage
- Domestic Violence
- Aggravated Assault and Misdemeanor Assault
- Sex Offenses
- Computer Crimes
- Drug Offenses
- Civil Rights and Injuries caused by Government employees
Focused Criminal Defense Lawyer in Tucson
Protecting the Rights of those Injured by the Government
While other firms dilute their resources by attempting to handle multiple areas of law, Nesci & St. Louis is exclusively focused on defending the criminally accused and protecting the rights of those injured by the state or government. By concentrating solely on criminal cases, and civil rights and injury litigation we are able to devote the time and resources necessary to obtain a deep understanding of the legal and factual issues facing those accused of a crime.
In fact, our Tucson criminal defense attorneys are sought-after speakers nationally, regularly training defense lawyers across the Country on how to handle a criminal case. This allows us to provide the very best representation possible. In criminal cases, time is of the essence. Act now to ensure that no evidence necessary to your defense is lost.
Contact Nesci & St. Louis online or call (520) 999-2441 to request a FREE case evaluation with a Tucson criminal defense lawyer today. We are here to defend your rights in state and federal criminal matters.
Meet Your Award-Winning Team
Nearly 40 Years of Combined Experience
Attorney Joe St. Louis is known in the legal field for his knowledge, experience and ability to be a leader.
The Other DUI Squad
Representing Clients Throughout Arizona
Joseph P. St. Louis has been listed in Woodford & White’s Best Lawyers in America since 2013 and has an AV Preeminent rating from Martindale Hubbell. He has been listed as one of the best lawyers in Arizona by Superlawyers magazine since 2009 and has been listed as one of the best lawyers in Tucson by Tucson Lifestyles magazine since 2103. Joe, who has represented clients at over 200 jury trials, is the only attorney in Arizona certified as a specialist in both Criminal Defense (by the State Bar of Arizona) and in DUI Defense (by the National College for DUI Defense (NCDD), a certification recognized by the American Bar Association). Joe is one of 11 members of the Board of Regents, the governing body of the National College for DUI Defense, a nation-wide organization with over 1600 members. He is also the former President of Arizona Attorneys for Criminal Justice, a statewide defense organization with over 400 members.
James Nesci, retired, is not only the former Dean of the National College for DUI Defense (NCDD), a nation-wide defense organization with over 1,600 members, he literally wrote the book on DUI for Arizona. Nesci’s Arizona DUI Defense, The Law and the Practice, now in its 5th edition, is relied on by defense practitioners throughout Arizona. Jim is not only a renowned author in Arizona, he has co-authored DUI defense manuals in 18 states. Jim is board-certified as a specialist in DUI defense by NCDD, a certification recognized by the American Bar Association. Jim has been such an incredible part of our team, but he has recently retired. We wish him the best as he continues to receive accolades for his life's work, and as he continues to speak at legal seminars and write books on DUI defense.

Proven Defense Attorney & Profound Author
Nesci Literally Wrote the Book on "DUI"
Among Mr. Nesci's many accomplishments in the field of law, which continue in his retirement, is his recognition as a renowned published author. His written works can be found in law firms throughout the country, and even in the households of non-lawyers nationwide. In addition to authoring the legal treatise Nesci's Arizona DUI Defense: The Law & Practice, 5th Edition, designed for defense lawyers and allied professionals, he has co-authored many state specific criminal defense-related books for the Alabama, Arkansas, Colorado, Florida, Iowa, Missouri, Nebraska, New Hampshire, New Jersey, North Carolina, Oklahoma, Texas, Utah, Virginia, West Virginia, and Wisconsin justice systems. Mr. Nesci also served as a contributing author to Medicolegal Aspects of Alcohol, writing chapters for both the 5th and 6th editions. Consumers can also gain a wealth of knowledge about the DUI process by following the advice in his book, How to Beat a DUI.
Many of Mr. Nesci's publications are available online at Lawyers & Judges Publishing.

Cases We Defend
The Proven & Aggressive Defense You Deserve
Testimonials
Hear It from Our Clients-
“I highly recommend Joe St. Louis to anyone who is in need of the finest DUI or criminal attorney anywhere.”
- Avvo Review, Former Client -
“His years of experience really shine in the courtroom and I could tell the judges respected him. I would give Joe 10 stars.”
- Avvo Review, Former Client -
“I would highly recommend Nesci & St. Louis to anyone that needs them, especially Sean McNally one of the Lawyers there.”
- Maggie Blute -
“The case was unusual and Joe can't guarantee that you're going to win, but what I can guarantee on his behalf is that you will get the most thorough defense possible. Very pleased with his work ethic and organization.”
- Avvo Review, Former Client -
“Though the process was lengthy, he encouraged patience, and in the end, it paid off. My son was initially charged with two felonies. They were reduced and later dropped altogether. There were no surprise charges. We could not ask for a better outcome.”
- Avvo Review, Former Client
Helpful Resources
We Have the Knowledge to Protect Your Future