Top of the list for lowest clearance rate for homicide cases, meaning it has the most unsolved murder cases:

https://www.truepeoplesearch.com/insights/the-most-chilling-cold-cases-in-the-united-states#google_vignette

Unsurprisingly, the most “chilling and infamous” unsolved case in Michigan is the Oakland County Child Killer(s) case.

https://www.truepeoplesearch.com/insights/image?filename=chilling-cold-cases-every-state-4_comp.png&alttext=The-Most-Chilling-Cold-Cases-in-the-United-States

Here is how Michigan is represented on the map:

At least four children were held captive and killed. They were always found wearing the clothes they went missing in. Despite an abundance of evidence tying several pedophiles to the case, no one was convicted.

There you sit, Oakland County, right next to the 1892 Borden murders in Massachusetts. Nice work.

Thank you to Already Gone podcaster Nina Innsted for sending the infographic.