At the time, the crimes were not linked but after Knowles' capture authorities discovered he had recorded audiotaped confessions that he mailed to an attorney.

[2] Shortly after murdering Campbell and Meyer, Knowles became involved in a car chase with Henry County Sheriff's Deputy Charles Hancock.

A lengthy and chaotic foot chase ensued, with Knowles pursued by dogs, law enforcement officers from several agencies, and helicopters.

Clark, who happened to be out hunting with a shotgun at the time, held Knowles at gunpoint until Henry County investigators Paul Robbins and Billy Payne arrived on the scene.

[23] On December 18, 1974, Sheriff Earl Lee and Agent Ronnie Angel from the Georgia Bureau of Investigation were traveling down Interstate 20 with Knowles, who was handcuffed in the back seat.