A Wyoming man gunned down a woman who tried taking a pistol away from him after he began "acting crazy" with it, cops say.

Javier Abeyta, 43, had been "spiraling" throughout the day before he shot Marissa Allen in Gillette on the evening of Oct. 9, according to an arrest affidavit obtained by Cowboy State Daily .

He was allegedly smoking methamphetamine while hanging out with Allen and several other people at a home in the 1300 block of O'Henry Drive before the shooting occurred, cops say.

Abeyta was in the garage of the residence when he opened fire on Allen after she attempted to take away a Hi-Point semiautomatic 9 mm pistol from him, according to the affidavit. Abeyta was allegedly pointing the weapon at Allen's boyfriend, the Gillette News Record reports.

As this went on, Allen no

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