CNN
 — 

Fifty-six years after a Florida milkman failed to return home after his rounds, his homicide has been solved, closing the oldest cold case in Indian River County Sheriff’s Office history.

The emergence of two people who say the suspect confessed to them helped investigators determine who killed Hiram “Ross” Grayam, a decorated World War II veteran who was fatally shot execution style while working on April 11, 1968, according to the sheriff’s office.

The victim’s son Larry Grayam, who was 16 at the time of his father’s death, said the resolution of the case has brought mixed emotions.

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