Manuel Arizaga-Vega, 34, was shot and killed on July 17, 2015, while walking to work in Chicago’s Irving Park neighborhood. Authorities did not immediately release a motive or identify a suspect.

Arizaga-Vega left behind his wife and young daughter; his death stunned neighbors and the local community.

If anyone knew Manuel, saw him that morning, or has information about the alley where he was ambushed, please come forward with tips.