Alfredo Santiago was 22 when he was fatally shot in Philadelphia on September 11, 2011. His killing remains unsolved, and police continue to seek information and leads that might bring justice for his family.

The case came during a period when gun violence affected many Philadelphia neighborhoods. Authorities have encouraged residents to report what they know, including via tip lines and anonymous channels set up to help with open homicide investigations.

Does anyone who lived in the area then or who may have relevant information about Alfredo’s death have details to share with investigators?