Here's something that I've been noticing:  Preface: Remember how, in the '60's, every major highway crossing or freeway entrance ramp would be home to a cluster of kids with signs "San Francisco or busted," "NY/NY", etc.  Then the killings started, of which the Hillside Strangler was only the best known.  According to a police beat reporter who I used to see at a local bar in Long Beach in the late '70's, every week they were finding kid's bodies up in the hills.&n...