Between 1967-1969 if you were a female and lived in Ypsilanti or Ann Arbor especially if you attended Eastern Michigan University or University of Michigan, you were in danger!  These are the most brutal cases I have done yet.  

Sources:

Intro and Exit music written and recorded by Alan Hunt

Researched and written by Angela Sinclair

https://www.freep.com/in-depth/news/local/michigan/2019/11/08/michigan-murders-john-norman-collins-serial-killer-evidence/1475344001/

https://fornology.blogspot.com/2014/04/

The Michigan Murders The True Story of the Ypsilanti Ripper’s Reign of Terror

https://fornology.blogspot.com/2014/04/

http://www.maryfleszar.com/My_Name_Is_Mary/About_Me.html

https://aadl.org/aa_news_19690611-shattered_by_grief

https://en.wikipedia.org/wiki/Psychopathy