Shocking footage has emerged of the moment a commuter was viciously attacked by thieves who choked him unconscious and rifled through his pockets. The 49-year-old victim’s ordeal took place on public transport in Chicago on February 17. A group of four Venezuelan migrants, have been charged with attempted murder and robbery. Fernando Loyo-Rodriguez, Wilker Gutierrez Sierra, Carlos Carreno-Carreno and Yonnier Guasamucare Garcia appeared in Cook County court on Tuesday status-detention hearing, Fox News reports. In the footage, four men appear to befriend their victim in the train car before he …