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Case Description
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Peter Robert Costello, a 17-year-old male from Chicago, IL, was found dead on October 22, 2014, in what appeared to be a tragic incident. The young teenager, identified as Peter Robert Costello, was discovered alongside a 28-year-old man named Matthew Santon in a home located in the West Lawn neighborhood on the Southwest Side of Chicago. Both individuals had sustained gunshot wounds and were pronounced dead at the scene. The Cook County medical examiner's office confirmed their identities and a ...Read More
Links to Additional Sources (4)
See any mistakes?Victim Details
Peter Robert Costello
Male
Chicago
IL
2014-10-22
17
Peter
Robert Costello
11/10/2025
Forum Posts (1)
I’ve been thinking a lot about the community's response to Peter Costello’s death. I didn’t kn... ...Read More
02/08/2023
02/08/2023
