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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 1 - 5 of 20 reviews
Posted by Mary | August 20, 2023 | Hired Attorney
The BEST Lawyer and TBH fights for you
Gary Guymon and I met at a time in my life where I was young and naive and had some learning to do. He was honest and forthright and even supportive in telling me that I could achiever more and be more. Today I am getting ready to head to law school and I can honestly thank him for the determination ...
Posted by anonymous | October 04, 2022 | Hired Attorney | Family
The best!
I have known Gary for several years, so when a complicated matter involving my step son came up, I immediately contacted him for representation knowing how passionately he fights for his clients. The results were better than anyone could have expected and we couldn't have done it without him. He is t...
Posted by Erick | December 15, 2020 | Hired Attorney | Criminal Defense
Gary helped save my life!!
Gary is a no nonsense straight to the point attorney, he doesn’t sugar coat things and I wouldn’t have it any other way. Because of his expertise and control in the courtroom I was able to avoid a felony being on my record. And he is the only attorney I recommend when friends or family are in need of...
Posted by Jim | February 11, 2020 | Hired Attorney
Results!
Mr. Guymon is competent, extremely articulate and helped me understand how he could help with my case. He set realistic expectations and delivered above and beyond.
Posted by Bill | December 06, 2018 | Hired Attorney
Lawyer
Gary was patient and very supportive. It was a stressful time but I feel lucky to have been referred to such a stand up and professional attorney.. I highly recommend Gary for any and all clients.
"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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