Richard Deondre’ Hallman was 16 when he was shot and killed in Miami on March 24, 2015. His death occurred amid a wave of violence that day that included the fatal shooting of 10-year-old Marlon Eason in a related drive-by attack.

Authorities have described Hallman’s killing as part of an ongoing investigation and have urged anyone with information to come forward.

What did you see or hear in Miami on March 24, 2015 that might help investigators explain what happened to Richard?