Police are looking for Sergio Santiago (pictured), who is a suspect in the murder of a 17-year-old high school student. Credit: PPD.Police are looking for a 22-year-old man believed to have shot and killed a high school student Sunday afternoon in Spring Garden.Santiago, of the 1600 block of Wallace Street, is a suspect in the murder of 17-year-old Antonio Flores.Flores was found around 3:30 p.m. with a gunshot to the head inside an apartment building on Santiago's street.Flores was transported to Hahnemann University Hospital where he was pronounced at 3:55 PM.Any information on the whereabouts of this male please contact Homicide or 911 or 215-686-TIPS.__________________Follow Tommy Rowan on Twitter: @tommyrowanFollow Metro Philadelphia on Twitter: @metrophillyFollow Metro Philadelphia on Facebook: Metro Philadelphia
