Dion Bell, 35, was fatally shot on March 31, 2013, in Oakland, California. His killing occurred during a weekend that included several violent deaths and contributed to Oakland’s high homicide toll that year.

Police had limited information about the shooting at the time and no immediate arrests were made. Oakland recorded 92 homicides in 2013, a figure that underscored a year of persistent violence and many unresolved cases.

If anyone remembers seeing Dion or has information about the March 31 shooting, please share what you know with investigators.