206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
Susan Claire "Susie" Robison, aged 7, tragically died on June 25, 1968, in Good Hart, Michigan, as part of one of the most horrifying mass murders in Michigan's history. Susie was the youngest child of Richard and Shirley Robison. The entire Robison family, including Richard (42), Shirley (40), and their children Richard Jr. (19), Gary (17), Randy (12), and Susie, were brutally murdered at their summer cottage in the secluded resort area of Blisswood, near Good Hart.
The Robison family ...Read More
The Robison family ...Read More
Links to Additional Sources (3)
See any mistakes?Victim Details
Susan Claire “Susie” Robison
Female
White / Caucasian
Good-hart
MI
1968-06-25
7
Susan
Claire “Susie” Robison
11/11/2025

