Mamadou Diallo was 32 and working as an Uber Eats delivery driver when he was fatally shot while waiting for a bus in East Harlem, Manhattan, in the early hours of Wednesday, May 20, 2020. He suffered a mortal wound to his chest and was found by police at the scene, prompting a homicide investigation.

Authorities announced they were searching for the gunman, but subsequent information has been scarce. The circumstances leave many unanswered questions about motive and the assailant’s identity.

If anyone was in East Harlem on the night of May 20, 2020, or has information about Mamadou Diallo’s movements or the shooting, please come forward with what you know.