Joseph Didier, a 26-year-old White male, was found shot to death in Denver on September 15, 1975. Public memorial records confirm his identity, age, and date of death, noting he was later buried in Sidney, Nebraska.
According to crime histories compiled from court reporting and interviews with investigators, Marvin Gayle Gray crossed Didier’s path that day near downtown Denver. Several accounts describe Gray confronting Didier for money and then shooting him even after compliance, the
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