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Case Description
Any updates on this case?
In the spring of 2010, the life of 50-year-old Kay Marie Sisto Peterson, a Caucasian female from Duluth, Minnesota, came to a tragic and violent end. On May 27, she was shot multiple times in the head by her husband, Michael William Peterson, in their family home. The incident was the culmination of what her son would later describe as a controlling and possessive relationship that had soured after three decades of marriage. In the period leading up to the fatal shooting, Kay had expressed her u ...Read More
Links to Additional Sources (4)
See any mistakes?Victim Details
Kay Marie Sisto Peterson
Female
White / Caucasian
Duluth
MN
2010-05-27
50
Kay
Marie Sisto Peterson
11/09/2025
Forum Posts (1)
I've been thinking a lot about how this must have impacted Kay's co-workers at the VA Clinic. Losing... ...Read More
11/08/2023
11/08/2023
