A Man Apart (2003)
A Man Apart is a 2003 U.S. vigilante film directed by F. Gary Gray and released by New Line Cinema. The film stars Vin Diesel and Larenz Tate. The story follows undercover DEA agent Sean Vetter who is on a vendetta to take down a mysterious drug lord named Diablo after his wife is murdered. The film was released in the United States on April 4, 2003.
More at Wikipedia.