Laphonso L. Harrison was 26 when he was shot and killed in Chicago on May 18, 2015. His death occurred during 2015, a year that saw an alarming rise in homicides across the city, with more than 460 murders reported and a 12.5% increase over the previous year.

Despite efforts by law enforcement and community groups, Harrison’s death is one of many that underline the city’s struggle with lethal violence.

If anyone knew Laphonso Harrison or has information about what happened on May 18, 2015, please come forward.