Mentor authorities have released the identity of an officer who was killed in a hit-and-run crash on state Route 2 in Mentor about 1 a.m. June 24.Patrolman Matt Mazany, 41, was assisting another officer in a traffic stop at state Route 306 when a Jeep struck a police cruiser and then Mazany, Mentor police Chief Kevin Knight said at a June 25 news conference.