“Serial Killer” term use began in the early 1970s
Slayer was the original term used.
In the 1960s, 5 known slayers.
In the 1980s, 90 known serial killers.
The US has more serial killers than any other country.
Modern, mobile, technological, and industrial conditions may contribute to a society that is:
More Mobile More Permissive
Glorifies Violence Declining on individual