Longtime Chicago Bears cornerback Charles Tillman has become an FBI agent, according to a report from ESPN.

Tillman enrolled at the FBI Training Academy last September, according to the ESPN report.

The 13-year NFL veteran worked alongside law enforcement during his playing career, the report added.

Tillman retired with the Bears in 2016 after 12 seasons with the team and one with the Carolina Panthers. He finished his career with 773 tackles and 38 interceptions. Tillman was twice named to the Pro Bowl.