Jury selection begins today in the case of two District of Columbia police detectives accused of persuading witnesses to change their stories in an investigation of a fatal stabbing at Club U in Northwest Washington.

Detectives Erick Brown and Milagros Morales were assigned to investigate the slaying of Terrance Brown, who was attacked by at least two men and stabbed several times on the dance floor during a concert on Feb. 15, 2005, at the 14th and U streets nightspot.