Naman Ramachandran Jed Mercurio, creator of hit series “Line of Duty” and “Bodyguard,” will executive produce a three-part sequel to BAFTA-winning 1999 single drama “The Murder of Stephen Lawrence,” for U.K. broadcaster ITV.Titled “Stephen,” the series will be directed by Alrick Riley (“NCIS”) and written by Frank Cottrell Boyce (“The Railway Man”) and Joe Cottrell Boyce (“Vivid”).