Mark Thomas was 25 when he was fatally shot on May 20, 2013, in a Philadelphia residential neighborhood. Police who responded to reports of gunfire found Thomas at the scene with multiple gunshot wounds; despite medical efforts he did not survive. His death is classified as a homicide.

No suspects or motives have been publicly disclosed, and the case remains unsolved. The Philadelphia Police Department has asked the public for help and is urging anyone with information to contact the tip line at 215-686-TIPS.

If anyone knew Mark, witnessed activity in that neighborhood on May 20, 2013, or has information that could help, please contact the police tip line.