The deranged homeless man charged with butchering a 23-year-old Ukrainian refugee on a Charlotte train was free on cashless bail after a magistrate released him with just a “written promise” to show up for court — despite a nearly two-decade history of violence and mental illness. Decarlos Brown Jr., 34, was arrested at least 14 times in North Carolina for crimes ranging from assault and firearms possession to felony robbery and larceny dating back to 2007. His own mother told local TV station WSOC that her son was schizophrenic and should never have been allowed to roam the streets. Horrifying...