Gangs once ruled El Salvador. See the controversial prison system loca… CNN 0 34 09.14 10:15 https://www.youtube.com/watch?v=bk-mgJghuhA + 13 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 5 Gangs once ruled El Salvador. See the controversial prison system locals say changed their lives