In this April 16, 2014 photo, one of the five sons of police investigator Elmer Antonio Bautista weeps during his father funeral ceremony in Izalco, El Salvador. According to the police, Bautista was murdered by members of the Mara 18 gang while on duty. Since January, there have been 61 attacks on police in El Salvador, up from 30 in the same period of 2013. (AP Photo/Salvador Melendez), APTOPIX