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Experience and Results matter. For over the past ten years, attorney Gary L. Guymon has earned the distinguished title of having the most Not Guilty jury verdicts in Southern Nevada.
Gary has been a trial attorney for over 25 years. From 1990 to 2005, Gary worked in the Clark County District Attorney’s Office as a prosecutor. Gary’s passion and determination as a trial attorney allowed for him to quickly move up the ranks at the District Attorney’s Office. Gary earned the title of Chief Deputy District Attorney working on the specialized Homicide / Major Violators and Sexual Assault Units. Gary was also the District Attorney’s Office’s Trial Training Supervisor for the entire district attorney’s office. Gary was responsible for prosecuting all homicides and repeat offender cases that were assigned to him through the Major Violators Unit. Gary was also responsible for prosecuting all sexual assaults and crimes against children cases. Gary instructed the Las Vegas Metropolitan Police Department on issues concerning search and seizure to all cadets, patrol officers, and detectives.
Gary has successfully tried a series of high-profile media cases including State v. Margaret Rudin – the infamous “Black Widow” trial that was featured on America’s Most Wanted. In addition, Gary successfully prosecuted Las Vegas Metro Police Officer Ronald Mortensen for First Degree Murder. It is the only officer involved shooting here in Southern Nevada where the police officer was convicted for murder when the officer shot and killed an innocent bystander. During his tenure, Gary earned a nearly unblemished record that spanned over 120 successful jury trial verdicts as a former prosecutor.
For more than 10 years, Gary has fought for the rights and liberties of those who have been accused of a crime. Gary’s command of the courtroom is only part of the reason that he has the most jury acquittals and not guilty verdicts in the past decade in Southern Nevada. Gary has successfully acquired Not Guilty verdicts in many high stakes matters, such as charges that involved multiple life sentences, the most serious of felony charges. In recognition of Gary’s zealous and fierce advocacy on behalf of his clients, he is a recipient of the Scott H. Waitte Award and also the Outstanding Criminal Defense Advocate Award. Gary has supervised, trained, and mentored many attorneys and has lectured and instructed on trial advocacy including jury voir dire, direct and cross-examination, and opening and closing arguments.
Gary attended BYU for his undergraduate education and received his law degree in 1989 from the J. Reuben Clark Law School (BYU). Following law school, Gary clerked for the Honorable Judge Jack Lehman before undertaking his well-recognized and prestigious career as a trial attorney. Gary is admitted to practice in the State of Nevada and Federal Courts. Gary is also a member of Nevada Attorneys of Criminal Justice (NACJ), a non-profit organization of criminal defense attorneys located throughout Nevada, whose mission is to ensure effective representation of those accused of crimes through shared resources, legislative lobbying on constitutional issues, and intra-organizational support.
For more than 25 years, Gary has worked hard to develop not only a winning trial record, but also a strong rapport with local judges, prosecutors, and attorneys. Gary’s experience, professionalism and personal connections serve to benefit those who retain his services when they or their loved ones have been accused of committing a crime.
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Chat withState: Nevada
Acquired: 1989
Lawyer disciplined by state licensing authority in 2025
625 S 8th St, Las Vegas, NV, 89101-7004
20 Client Reviews
Showing 16 - 20 of 20 reviews
Posted by Gina | June 28, 2016 | Hired Attorney | Criminal Defense
solicitation case
On my case he got me a full dismissal which is what i wanted. It was the best outcome seeing as to i have never been in trouble before and he helped calm me down and talked about my whole case and how it was going to work.
Posted by Jennifer | April 28, 2016 | Hired Attorney | Lawsuits & Disputes
Gary Guymon Criminal Defense Lawyer
Gary Guymon has been a wonderful attorney from the very start. He was very communicative and honest with me through the. whole process. He kept me in the loop with all decisions that had to be made and held my hand through the whole time keeping me well informed. He even showed up at a hearing...
Posted by Michael | April 27, 2016 | Hired Attorney
Gary is unbelievable!
I have had the occasion to hire dozens of attorneys in my job throughout the country. I can without reservation say that Gary is the best attorney I have worked with. His combination for real world answers and compassion is not the norm. I will not use anyone else...
Posted by Sidney | April 27, 2016 | Hired Attorney | Criminal Defense
Game Changer
My experience with Gary Guymon far exceeded my expectations! I hired Gary when I had a warrant for a failure to appear on a burglary case I was looking at going to prison for two to five years with a public defender. I hired Gary while I was in jail in a different county with a no bail hold and he no...
Posted by anonymous | February 15, 2016 | Hired Attorney | Criminal Defense
gary is awesome caring attorney
I hired gary guymon to get me reinstated on probation after being in jail 4 months on probation violation and he got me a second chance on probation and life because he was able to get me reinstated on probation i am now getting full custody of my 10 month old baby girl with out gary i would never ha...
"Gary has reached the upper echelon of defense attorneys in town. If you need the best, look no further."
"I endorse this lawyer. Gary and I went to law school together and I have knew him before that. He was a great student and even better person. His listed experience is top notch and I know he will serve his clients well as noted in his reviews."
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This lawyer was disciplined by a state licensing authority in 2025.
Disbarment issued in NV, 2025
updated on 03/18/2026This is the most serious penalty for a lawyer. If this attorney is currently practicing law, you should contact the Nevada State Bar to understand the reasons for this disbarment.
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Scott H. Waitte Award, Scott H. Waitte
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Outstanding Criminal Defense Advocate Award, Association of Criminal Defense Lawyers
2015 - Present
Defense Attorney, Guymon and Hendron
2005 - 2015
Defense Attorney, Clark County Criminal Defense
1990 - 2005
Chief Prosecutor, Clark County District Attorney's Office
1989 - 1990
Judicial Law Clerk, District Court Dept. 10
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