Omar Manuel Martinez was 20 when he was fatally shot on September 28, 2017, in Historic South-Central Los Angeles. Coroner’s records list multiple gunshot wounds as the cause of death, and the Los Angeles Police Department opened an investigation at the scene.

Reports say few details about suspects or motive have been released, and no arrests had been announced as of the latest update. Family and community members have expressed grief and frustration, and local activists have used the case to press for stronger measures to address gun violence in the neighborhood.

What did anyone in Historic South-Central Los Angeles see or hear around September 28, 2017, that could help investigators?