ARLINGTON (September 3, 2013)—Johnathan Peter Lannon, 20 of Arlington, was held without bond Tuesday in the Arlington City Jail, charged with murder and aggravated assault after an incident in which his mother was killed and his grandparents were threatened with a gun.
Lannon, was arrested Monday night after a woman called 911 to report that she feared for her safety because her son had a gun.
Officers who responded to residence from which the call was placed found the woman had been shot.
She was taken to a hospital where she was pronounced dead.
She was identified Tuesday as Melanie Spencer, 38, of Arlington.
Lannon, his mother and his grandparents all shared the house,police said.
Further details weren’t available Tuesday.