Premise: The Michigan Murders were a series of highly publicized killings of young women committed between 1967 and 1969 in the Ann Arbor/Ypsilanti area of Southeastern Michigan by an individual known as the Ypsilanti Ripper, the Michigan Murderer, and the Co-Ed Killer.
Hypothesis: The Ypsilanti Ripper killed 21 women near Ann Arbor in the 1960s\