Serial murder has increased dramatically since WWII.
60s
In the 1940s serial killers were not rampant as in the 60s and 80s. The 1940s were limited to two names. Jake Bird and William Heirens. Jake Bird won this title with a dozen axe murders. Heirens had only three victims when he wrote catch me before I keep killing.
early 60s or so
early 60s or so
Mid 60s or so
Late 60s to early 70s
sometime in the early 60s
Mid to late 60s
they got cooler
Since the 60s. /thread
12 inches - I did a lot of house construction in the 60s Correction. Building codes have changed since the 60s. It is actually 36 inches.
Early to mid 60s