NACOGDOCHES, Texas (KTRE) - A gun recovered from the home of a man charged in the deaths of a Lufkin mother and son has been identified as the weapon used in the killings, authorities said.

The gun was found Friday at the home of Jeremiah McGee, 47, who is charged with capital murder in the deaths of Maria Davalos, 62, and her son, Ariel Arellano Jr., 32.

Lufkin police: Argument over wi-fi led to double murderBallistic testingAccording to the Lufkin Police Department, the ATF's National Integrated Ballistic Information Network in Houston compared shell casings recovered at the scene with the gun, which was tested Friday night.