According to WKRG-TV, their cameras were rolling when police transported a murder suspect from Mobile Police Headquarters to Mobile Metro Jail. Darren Williams is accused of murdering another man. In the video, you can hear the suspect singing what appears to be a confession to murder.After singing against the advice of his attorney, Williams told reporters, "I did it," admitting to killing Anthony McComb. According to WKRG-TV the shooting happened last night in the 1300 block of Olive Court off Ann Street. Williams claims he shot McComb in self defense.