Santos D. Rodriguez, 22, was shot and killed on September 11, 2011, on Chicago’s West Side. The shooting happened about 2:00 a.m.; Rodriguez was pronounced dead at the scene. Authorities initially had limited information about suspects or motive.

The killing occurred on a block described as high-crime during a year when Chicago recorded over 433 homicides.

Anyone with information about Santos Rodriguez or that early-morning shooting is encouraged to come forward.