From Dave Kopel's book, Aiming for Liberty: The Past, Present, And Future of Freedom and Self-Defense, Chapter Four, "Some Deceptions and Errors Used to Promote Anti-Gun Laws":
The story of the nonexistent "cop-killer" bullet begins in 1976 in Massachusetts, when a handgun-confiscation initiative was defeated in a
landslide. Then in 1982 in
[...] 
