Marcus Shyne was 24 when he was found suffering from a gunshot wound on April 15, 1986, in the 2500 block of Glenarm Street in Denver. He was transported to Denver General Hospital but died there the same day from his injuries.

The Denver Police Department opened a homicide investigation, logged under agency case number 8601-44425. The circumstances of the shooting are described as unknown and the case has gone cold; no arrests or publicly identified suspects have been reported.

Anyone with memories of that neighborhood in 1986 or who has information that could help resolve this long-unsolved homicide is asked to come forward.