Reused, but the early 70's had its own fun with the term. The 90's were already on the down slope of crime. The funner part of the 70's (and part of the 80's)

Reused, but the early 70's had its own fun with the term. The 90's were already on the down slope of crime. The funner part of the 70's (and part of the 80's) is people doing analysis of the crimes now and finding a serial killer in the data.