TULSA, OK -- A Tulsa murder suspect has been added to U.S. Marshals Service's most wanted list.

Lawrence "Man Man" Ballard is wanted for the murder of 20-year old Colby Harris on April 27 of this year.

Lawrence Ballard is also charged with robbing and assaulting three University of Tulsa Students last month.

If you know anything about Ballard's whereabouts call Crime Stoppers at 596-COPS.