Michael Mccullough, 25, was found dead in Detroit, Michigan, on December 4, 2013. He was an African-American male and authorities determined his death to be a homicide. The specific circumstances of the killing have not been publicly detailed.

No suspects or arrests have been announced, and the case is classified as cold. The Detroit Police Department’s Cold Case Unit is handling the investigation. Community groups have promoted public involvement and offered rewards to generate leads, but those efforts have not produced a resolution.

If anyone knew Michael, witnessed something in Detroit on or around December 4, 2013, or has information that could help investigators, please come forward.