Jonathan Frost was 40 when he was shot and killed in Denver on July 13, 2010.

Investigators continued to review leads in the years after the killing, but no arrest has been announced and police have not publicly named a suspect. The case remains an unsolved Denver homicide and the family has not received a public resolution.

If anyone knew Jonathan, was in Denver on July 13, 2010, or has information that could help, please share what is known with the Denver Police.