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Tucson DUI Defense Lawyers
Attorneys Defending Clients From DUI, Drug, Theft and Violence Charges in Tucson, AZ
Facing charges for driving under the influence (DUI) of alcohol or drugs is stressful, time consuming and life altering. While you may not be sure of what comes next, you can be confident in one thing: a situation like this calls for an experienced DUI defense attorney. By having one of our criminal defense lawyers from The Behan Law Group, P.L.L.C. by your side, you have an advocate capable of protecting your rights and fighting for your exoneration.
To learn more about how we can help when you face charges for a DUI, extreme DUI, or a felony DUI, contact Michelle Behan at 520-220-5047 to schedule your initial, confidential consultation.

Stephen Barnard Memorial
Trail Advocacy Award
In Recognition of Tireless and Outstanding
Trial Advocacy for the Defense
NCDD Stephen Barnard Memorial Trial Advocacy Award: This award goes to the NCDD member who has most personified the mission of the National College through an aggressive, creative and ethical trial practice dedicated to defending those accused of impaired driving. This individual has set themselves apart in their local community as a premier DUI defense trial attorney and has litigated a number of DUI-related cases to verdict. This individual is recognized, in his/her local legal community, as a tenacious yet ethical litigator.
Michelle Behan
Owner and President
Michelle Behan is an Honorably Discharged Veteran from the United States Navy, where she served nearly ten years as a Cryptologist. After separating from the Navy, Ms. Behan spent five years as a Special Agent for the Federal Bureau of Investigation in both South Dakota and Arizona, where she investigated violent crimes on the Indian reservations, crimes against children, and national security crimes. Ms. Behan received national recognition from the National Center for Missing and Exploited Children (NCMEC) for her work in a two-year international parental kidnapping case that involved the United States Marshals, the Royal Canadian Mounted Police, and multiple divisions of the FBI. Ms. Behan also received recognition from the United States Attorney’s Office for the District of South Dakota for her work on many interstate crimes involving the sexual exploitation of minors.
Ms. Behan is a 2013 graduate of the University of Arizona James E. Rogers College of Law. While in law school, Ms. Behan was an active participant in the Veteran’s Advocacy Clinic, where she acted as defense counsel for indigent Veterans charged with criminal misdemeanors. Ms. Behan’s zealous advocacy on behalf of Veterans led to her selection by the Law School Faculty to present an amicus curiae brief (on behalf of the defendant) to the Federal Court of Appeals for the U.S. Armed Forces, the highest military court in the country. Ms. Behan also received the prestigious Darrow K. Soll Award, which is given to the graduating student who most exhibits the tenacity and persistence required in the area of criminal defense.
Following graduation, Ms. Behan worked as an Assistant Public Defender at the Tucson City Public Defender’s Office. She has tried several cases to juries, and argued numerous evidentiary and legal hearings involving a variety of different legal issues. For her efforts, Ms. Behan was awarded the 2015 Tucson Women’s Commission Rising Star Award. In 2015, Ms. Behan joined the Law Office of Nesci & St. Louis, where she was an associate attorney for more than two years. During that time, Ms. Behan successfully argued many Constitutional challenges in DUI cases, resulting in some or all of the evidence against her clients being suppressed. Ms. Behan was also successful in defeating multiple appellate challenges by the State of Arizona in an attempt to overturn some of those victories.
In 2017, Ms. Behan founded the law firm of The Behan Law Group, P.L.L.C., where she is the owner and president. Since that time, she has amassed an impressive string of courtroom victories. Most recently, since 2020, she has won 8 of the 9 jury trials she was in. Nicknamed “The Beast” by one jury, Ms. Behan is well-known throughout the legal community as a tough litigator and a force of nature in the courtroom.
In 2021, Ms. Behan became the fourth woman in the United States of America to become Board Certified in DUI Defense (and the only woman in Arizona). She is a member of the National College for DUI Defense, where she serves as the State Delegate for Arizona, as well as a frequent speaker and faculty member. She is also a member of the DWI Committee for the National Association of Criminal Defense Lawyers, an associate member of the American Academy of Forensic Sciences (AAFS), for whom she has presented twice. Ms. Behan serves as the co-chair for the NCDD Impaired Driving Task Force and the Amicus Curiae Task Force.
Ms. Behan’s dedication to the defense of those charged with DUI and other crimes is recognized by lawyers everywhere. Ms. Behan is the lawyer that other lawyers call when they have a DUI question. Most recently, after viewing one of her jury trials, a seasoned lawyer with 37 years of trial experience stated that her closing argument was, “the best I have ever seen in any DUI trial.” Even prosecutors have claimed that they would, “hire her myself.”
Education:
- B.S., Park University, Parkville, MO, Summa Cum Laude, 2000
- M.S., City University, Renton, WA, 2002
- J.D., University of Arizona, 2013
Admissions:
- Arizona Supreme Court, 2013
- U.S. District Court, 2015
- U.S. Supreme Court, 2016
Published Decisions:
- State v. Chopra, 241 Ariz. 353, 387 P.3d 1282 (App. Div. 2, 2016)
- State v. Valenzuela, 239 Ariz. 299, 371 P.3d 627 (2016) (Amicus Curiae for NCDD)
40 WAYS
TO BEAT AN ARIZONA DUI
There are dozens of ways to fight DUI charges, including those based on legal technicalities, procedural challenges, or a lack of evidence. Contact us at The Behan Law Group, P.L.L.C. to learn more about how we can help you beat an Arizona DUI.
2017 | 2017 DWI Means Defend With Ingenuity® Seminar |
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The Rock Stars of DUI DefenseMichelle Behan has become known for her knowledge, skill, creativity, and results in defending against DUI charges. ![]() ![]() |
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Case victories at the
SUPREME COURT
At The Behan Law Group, P.L.L.C., we are prepared to fight for our clients all the way up to the highest state and federal courts.
Michelle Behan is admitted to appear before the U.S. Supreme Court.

Michelle Behan
Owner and President
Following careers in the United States Navy and the Federal Bureau of Investigation, Michelle Behan turned her focus to criminal defense. Ms. Behan worked as a public defender in Tucson, later joining the Law Office of Nesci & St. Louis before co-founding The Behan Law Group, P.L.L.C. in 2017. She has quickly risen in the ranks to be regarded as a highly knowledgeable criminal defense attorney and her insight is sought across the country.
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I highly recommend Michelle!
Michelle L. Behan, represented me on a wrongfully accused DUI case. She was through, diligent, and very professional. She pointed out during the hearing the discrepancies, not following procedures, and changes in answers from the deputies. She succeeded in having the case dismissed. I highly recommend her!
- Satisfied Customer
I was completely pleased with outcome
Michelle and her team kept me updated throughout the process. From the time I contacted them, they promptly responded to my needs, met me in person and explained the expectations and process. They were very kind and non-judgmental. Thanks to their help my case is now dismissed
- Satisfied Customer
Kept me calm..
Michelle kept me in the loop and demystified the process of my case. I felt that her commitment and confidence kept me calm and less fearful of the process. I was always kept informed every step of the way, and facilitated a favorable conclusion.
- Ginny
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Felony DUI Case
I was charged with several felonies, Criminal Damage. Reckless Endangerment, as well as the extreme DUI. I was scared to death and facing a possible 5 years in prison! Michelle understood my fear and concern and treated me with dignity and compassion. My end result was better than I could've imagined. NO FELONIES, lowered to a regular DUI. I couldn't of been more pleased with the outcome and the great job Michelle did for me in my case.
- Lisa
Unstoppable Force in the Court Room
I cannot express how much I highly recommend Michelle and her services. She is an extremely motivated and capable attorney that notices details that other attorneys overlooked in my cases. Her rates are fair and you get an unstoppable force in the court room.
- Andrew
Amazing!
Professional, effective and honest. Behan Law Group is the best decision I ever made. You have rights and Behan Law Group fights to make sure that they are represented. Thank you all so much for caring and fighting for the truth!
- Satisfied Customer
Latest From Our Blog
Can You Be Charged with DUI When You Were Not Actually Driving?
12/13/2024
By Changfang Xu, Esq. For many people, DUI means "driving" under the influence, just as the name implies. But can a person be charged with DUI when he or she was not actually driving? The answer is yes. Almost all states...
Proposed New Bill in Congress Threatens Deportation for DUI Offenses
11/12/2024
By Michelle L. Behan A new bill, which was received in Congress this year, proposes to amend the Inadmissibility and Deportability Statutes in the Immigration and Nationality Act to included Driving Under the Influence (DUI) as a deportable offense as well...
True or False: DUI Edition
08/09/2024
By Amanda Stafford, Esq. You must submit to a preliminary breath test. FALSE You do not need to submit to a preliminary breath test. The State cannot use that number in court against you as it does not meet the statutory requirements...