Police: Gwinnett Shooting That Killed 2 Appears Domestic

LAWRENCEVILLE, GA — Gwinnett County Police say a shooting in Lawrenceville that killed a man and his mother on Saturday appears to have been related to a domestic dispute.

Officers were called to an address in the 1200 block of Bishops Lane in Lawrenceville shortly after noon on Saturday. They say a family member had gone to the home to check on two residents there. The family member was able to see through a back door that a middle-age man had suffered a gunshot wound, police said.

The family member called 911. When officers arrived, they located the man's body and, also, an elderly female resident who had been shot dead.

The victims were identified Sunday as Mark Knox, 56, and his mother, Donna Dennis, 82.

Gwinnett Police spokesman Det. David Smith said the shooting is believed to be a domestic incident. There is a history of domestic-related calls at the home, he said. He also said animal welfare officers were called Saturday to take possession of several dogs at the home.

Police ask anyone with information about the shooting to contact detectives at 770-513-5300. To remain anonymous, tipsters may contact Crime Stoppers at 404-577-TIPS (8477) or visit the Crime Stoppers website.

They may also text a tip to "Crimes" (274637).

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