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 remained elusive. Information regarding any potential motive or persons of interest has not been publicly released.
To this day, the death of Mark Alfonso is considered an unsolved cold case. The Tulsa Police Department continues to list it as such, and no arrests have ever been made in connection with the homicide. The identity of the individual or individuals responsible for his death remains unknown.
