Former Bears, Panthers cornerback Charles Tillman is now an FBI agent Posted Feb 23, 2018 Former Bears and Panthers cornerback Charles Tillman has graduated from the FBI’s training academy is now working as an agent. New FBI agents are placed in a two-year probationary period where they are given a variety of experiences to show them the ropes. Tillman played 12 of his 13 seasons for the Bears, then helped the Panthers to a 15-1 record in 2015. (Chicago Tribune)