Sexual revolution.

Everything can be blamed to Nixon eliminating the gold standard.

Post-effects of CIA MKULTRA/MKDELTA

Correlation is not causation You can use the same graph to suggest that printing money helps to fix serial killings since we're now down to pre-1970s levels Both takes are retarded though

Wtf happened in 1715

World War II, Korea, and Vietnam.

Better record tracking and actually being able to report and find the serial killers?

DNA forensics didn't exist before the 70s, therefore police couldn't associate crimes to the same killer.

It was two years after 1969 when we had the moon landing. Space demons clung to the astronauts as they came back to earth and made people go crazy and killing others. Real talk: the sexual revolution very well may have something to do with this. Also, the right half of that graph would be more or l...

Manson & acid (LSD)

They can't afford knives anymore?? : )

After effects of the LSD / "sexual revolution" era? World War II? Yikes.