John Keenan, chief of detectives, speaks at a press conference at New York City Police headquarters after two new sketches of the “.44 Caliber Killer” were unveiled at right, Aug. 9, 1977. Police said the killer, also know as "Son of Sam", who has slain six persons and wounded seven during the past year, is 25 to 32 years old, white, 5 feet 8 to 5 feet 9 inches tall and weighs 165 to 175 pounds. (AP Photo/Ray Howard)