Michael L Williams, 29, was killed in Oakland, California on March 23, 2010. His death came amid a year of unusually high violence in the city — 90 homicides were recorded in 2010 — and is listed among multiple unsolved killings that have affected neighborhoods grappling with poverty and gang activity.

There were no immediate arrests reported after the killing, and the case remained open as investigators continued to seek tips.

If anyone in Oakland that spring has information about Michael L Williams or the events of March 23, 2010, please share what you know with the authorities.