A man aboard a Greyhound bus who allegedly threatened to shoot and kill fellow passengers on Friday, leading police on a chase that began in Wisconsin and ended in Illinois, is an illegal immigrant, and is now facing terror charges. Police responded to a call around 9:40 p.m. Friday from a bus passenger who claimed there was a person threatening to kill people, Fox 6 reported, citing the Racine County Sheriff’s Department. Margarito Vargas-Rosas, 33, of Chicago, was reportedly pacing the aisle toward the back of the bus, and appeared to draw what passengers thought was a weapon from his...