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FAYETTEVILLE, N.C. (AP)North Carolina police say they’re investigating the possible suicide of an Army veteran charged with shooting her service dog as she laughed.

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Fayetteville Police Lt. Todd Joyce said Sunday investigators believe that 23-year-old Marinna Rollins killed herself. Joyce declined to explain what evidence detectives found. He says police were called to her apartment early Sunday after her body was found by friends.

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Rollins and 25-year-old Jarren Heng were charged last month with cruelty to animals after investigators say they tied the dog to a tree and shot it multiple times with a rifle. Cumberland County District Attorney Clark Reaves said the two could be heard laughing on a video recording they made as the dog was killed.

Court documents show Rollins received a medical retirement from the Army in January.

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