Nevada Man Accused of Executing Longtime Friend Over Alleged Affair

Victim was a father of five with another child on the way, police say.

Published on Feb. 22, 2026

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A 38-year-old Nevada man has been accused of executing his longtime friend and "roommate" with a 9mm Luger after accusing the victim, a father of five with another child on the way, of having an affair with his girlfriend. The victim had asked to stay with the man while waiting to move into his own place, according to the victim's family.

Why it matters

This case highlights the tragic consequences that can occur when personal relationships and allegations of infidelity escalate to violence. It also raises questions about the responsibilities of those who take in friends or acquaintances, and the potential warning signs of brewing conflicts.

The details

According to police, Mychael Thompson, 38, got into an argument with Antwon Watson, 38, over allegations that Watson was having an affair with Thompson's girlfriend. The two men were longtime friends, and Watson had been staying with Thompson and his girlfriend for about a month as he waited to move into his own place. Thompson's girlfriend told police that on the morning of February 12, Thompson returned home after a night of heavy drinking and accused Watson of the affair. The two men then went outside, where Thompson allegedly shot and killed Watson in the apartment complex parking lot.

  • On February 12, 2026, Mychael Thompson allegedly shot and killed Antwon Watson in the parking lot of his Las Vegas apartment complex.
  • About a month before the shooting, Antwon Watson had moved in with Thompson and his girlfriend as he waited to move into his own place.

The players

Mychael Thompson

A 38-year-old Nevada man accused of executing his longtime friend and "roommate" Antwon Watson.

Antwon Watson

A 38-year-old father of five with another child on the way, who was allegedly shot and killed by his longtime friend Mychael Thompson.

Thompson's girlfriend

The girlfriend of Mychael Thompson, who told police that Thompson returned home drunk on the morning of the shooting and accused Antwon Watson of having an affair with her.

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What they’re saying

“He went there to someone who he trusted, and he was betrayed.”

— Faith Watson, Daughter of victim Antwon Watson (KSNV)

“He knew my dad for a long time, and he shot him and left him dead in the parking lot.”

— Hope Watson, Daughter of victim Antwon Watson (KSNV)

“I hope he [will] be in jail for the rest of his life because … we're all in pain right now. We're all sad, the whole family.”

— Destiny Watson, Daughter of victim Antwon Watson (KSNV)

What’s next

Thompson is facing a charge of open murder with a deadly weapon and is being held without bail. The judge will decide whether to grant him bail at a future hearing.

The takeaway

This tragic case underscores the need for better conflict resolution and mental health support systems to prevent such senseless acts of violence, especially when personal relationships and allegations of infidelity are involved.