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Case Description
Any updates on this case?
Do you know who murdered Mark?
On May 4, 1978, a mother's visit to her son's home at 1801 S. 91st E. Avenue in Tulsa, Oklahoma, ended in a tragic discovery. Inside, she found her son, Mark Alfonso, deceased. Investigators determined that Alfonso, a male, had been fatally shot.
The circumstances surrounding his death pointed to a homicide, prompting an investigation by the Tulsa Police Department. Despite their efforts, the case grew cold over time, and details about what transpired in the moments leading to his death r ...Read More
On May 4, 1978, a mother's visit to her son's home at 1801 S. 91st E. Avenue in Tulsa, Oklahoma, ended in a tragic discovery. Inside, she found her son, Mark Alfonso, deceased. Investigators determined that Alfonso, a male, had been fatally shot.
The circumstances surrounding his death pointed to a homicide, prompting an investigation by the Tulsa Police Department. Despite their efforts, the case grew cold over time, and details about what transpired in the moments leading to his death r ...Read More
Links to Additional Sources (3)
See any mistakes?Victim Details
Mark Alfonso
December 1, 2022
Male
White / Caucasian
Tulsa
OK
1978-05-04
1978-05-04
19
Mark
Alfonso
11/21/2025
1
Area Body Found:
Forum Posts (2)
Hey everyone,
I've been researching some unsolved cases around Tulsa and came across the case of ... ...Read More
08/22/2024
I've been researching some unsolved cases around Tulsa and came across the case of ... ...Read More
08/22/2024
Has anyone else looked into the timeline of events leading up to Mark Alfonso's tragic death? I can'... ...Read More
07/27/2023
07/27/2023
