206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
Mary Stack, a 57-year-old woman from Elmhurst, IL, was found dead on August 31, 2014, along with her family members in what was later determined to be a murder-suicide. The tragic incident involved her father, Francis Stack, 82, who fatally shot his wife, Joan Stack, also 82, and their two adult children, Mary Stack and her brother, Francis Stack Jr., 48, before taking his own life. All four family members were discovered with gunshot wounds to the head during a well-being check conducted by Elm ...Read More
Victim Details

Mary Stack

Female

Elmhurst

IL

2014-08-31

57

Mary

Stack

11/17/2025