The Fullerton PD is looking for a man who shot a male pedestrian Wednesday night following an altercation in downtown Fullerton. The victim suffered a gunshot wound to the chest but is expected to survive, the FPD said in a news release Thursday. The incident occurred at around 9:52 p.m. April 26 in the area of Malden Avenue and Santa Fe Avenue. After arriving on the scene, officers found a 24-year-old male with one gunshot wound to the chest. He immediately was transported to a local trauma center. An initial investigation indicates that the man was walking down the street when he was approached by…