Marvin Jr. Coston was 28 when he was shot and killed on July 12, 2015, in the 1200 block of East Lanvale Street in Baltimore. He suffered multiple gunshot wounds and died of his injuries during a summer that saw a sharp rise in the city’s homicides.

The year 2015 registered more than 340 homicides in Baltimore, a period described as marked by unrest and strained community-police relations that complicated investigations.

If anyone remembers events on East Lanvale Street that night or has information that could help the family and investigators, please come forward.