Serial Killer Albert DeSalvo The Boston Strangler.Albert Henry DeSalvo (September 3, 1931 – November 25, 1973) was a criminal in Boston, Massachusetts, .<br />Most Dangerous Serial Killers.<br />SERIAL KILLER GARY RIDGWAY The Green River Killer.Gary Leon Ridgway (born February 18, 1949) is the American serial killer known as the Green River .<br />SERIAL KILLER JOHN WAYNE GASY .THE KILLER CLOWN John Wayne Gacy, Jr. (March 17, 1942 – May 10, 1994), also known as the Killer Clown, was an .<br />SERIAL KILLER Joachim Kroll (17 April 1933 - 1 July 1991) was a German serial killer, child molester and cannibal. He was known as the Ruhr Cannibal .
