Mark Vargas, a 21-year-old Hispanic man, was shot and killed in Chicago, Illinois, on May 13, 2016. His death was the result of a drive-by shooting in a neighborhood described as having high crime rates; investigators suspected the attack was gang-related.

The Chicago Police Department opened an extensive investigation but faced significant obstacles. Witness reluctance to come forward and a lack of concrete evidence hindered progress.

If anyone has information about Mark Vargas or the May 13, 2016, drive-by shooting, please come forward to the Chicago Police Department.