A former Royal Navy petty officer, jailed for life 25 years ago for murdering two young men, sexually assaulted four other boys and men in the same era, a jury has been told.
Allan Grimson was jailed in 2001 for battering Nicholas Wright, 18, and Sion Jenkins, 20, to death at his flat above a parade of shops in Portsmouth, Hampshire, in 1997 and 1998.
