Michael Davis, 57, was killed in Philadelphia on October 5, 2014. Police responded to the scene, but no arrests have been made and officials have not released further details about suspects or the circumstances of the killing.

The case remains unsolved, a situation described as reflecting broader challenges in the city where witness cooperation can be hard to obtain. Authorities say they continue to seek leads to help bring justice for Davis’s family.

If anyone knew Michael Davis, saw activity in his neighborhood on October 5, 2014, or has any information that might help, please come forward to the Philadelphia Police.