The GBI has arrested a forty-eight-year-old Walker County man in connection with the death of Tammy Cropper that happened last month.  According to a press release from the GBI, Christopher Bullock was taken into custody in Hamilton County, Tennessee and turned over to Georgia authorities.  Bullock is accused of shooting to death the fifty-one-year-old woman in Rossville on October 5th.  The Rossville Police Department requested the assistance of the GBI in the investigation.  Back in October, Walker County 911 dispatched Walker County Sheriff’s deputies and Rossville PD officers to a possible shooting call. Deputies and officers arrived on the scene and entered the apartment to find Cropper fatality shot inside her bedroom and Bullock with a gunshot wound.  Bullock has been charged with malice murder, felony murder, aggravated assault and possession of a firearm during the commission of a felony.