Derrick Grady, 24, was found shot to death in Tampa, Florida, on February 22, 2012.

Grady’s killing took place amid a period of rising violent crime in the community, and law enforcement described the investigation as challenging due to a lack of concrete leads. Authorities and community groups including Crime Stoppers have appealed for tips and offered rewards in hopes of generating information that could lead to an arrest and bring closure to the family.

Did anyone in Tampa around February 22, 2012, see or hear anything that might help investigators with Derrick Grady’s case?