John Holderby was 59 when he was shot and killed at his home in Columbus, Ohio, on July 9, 2010.

The Columbus Division of Police is handling the investigation, but public details about the circumstances of the shooting have remained sparse. Authorities have asked anyone with information to come forward to help bring closure for Holderby’s family and friends.

If anyone knew John, witnessed anything near his home on July 9, 2010, or has information that could assist the investigation, please share what is known with the Columbus Division of Police.