Adult charges proceed for Cheyenne 14-year-old accused of killing his mother with handgun

Adult charges proceed for Cheyenne 14-year-old accused of killing his mother with handgun
March 19, 2026

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Adult charges proceed for Cheyenne 14-year-old accused of killing his mother with handgun

CASPER, Wyo. — The 14-year-old Cheyenne boy accused of the first-degree, pre-meditated murder of his mother will face the charge as an adult in Laramie County District Court.

Records from the Seventh Judicial District show that the judge denied a request to have the preliminary hearing for Havoc Leone, the accused, proceed under seal. The defense indicated in its filing that it believes Leone should be tried in juvenile court. 

 A $500,000 cash bond was set for the teen,  and the case bound over district court, where he will enter a plea.

Leone is presumed innocent unless found or pleading guilty. 

According to the Laramie County Sheriff’s Office affidavit, the boy was upset that she had yelled at him and called him a “retard” after a fight over a stolen tablet. 

34-year-old Theresa McIntosh was rushed to the hospital and flown to  Colorado after being shot in the back of the head on Saturday, March 7, according to the LCSO. McIntosh died the next day. 

Patrol deputies responded to a reported suicide attempt involving a firearm at a residence on Pine Avenue in south Cheyenne on Saturday. McIntosh was in an upstairs bedroom, where she’d been doing a puzzle.

Staff at the Cheyenne Regional Medical Center told law enforcement that the location of the gunshot wound — above and behind the right ear — was not consistent with suicide attempts. 

McIntosh’s common-law husband and Leone were reportedly the only other people at home. The husband said he had been in the basement playing a video game when he heard a “pop” through the noise-canceling headphones. When he went upstairs, Leone was reportedly near his bedroom looking panicked and reportedly said, “I don’t know, it just went off.”

He said McIntosh and Leone had been arguing that morning about a tablet Leone had reportedly stolen from one of McIntosh’s cleaning service clients. He said they had considered calling the police on their son. He also said McIntosh had come home with donuts around 11 a.m.

A 9mm handgun had been dropped on the floor of the bedroom where the shooting took place. The man said it was McIntosh’s and that she always kept it in her car. 

Through interviews in the investigation, law enforcement believe that Leone had stolen the firearm from her car about a week before the shooting after a “big fight” over his math grade.

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