A member of a North Jersey street gang has been charged with various federal crimes for allegedly holding a U.S. Postal Service worker at gunpoint in an attempt to steal a mailbox key. Jazmeir Reyes, 19, who also goes by the street names of “Joe” and “Baby Joe,” has been charged by complaint with Hobbs Act robbery, assaulting or impeding certain United States officers or employees and brandishing a firearm during and in relation to a crime of violence, the U.S. Attorney’s Office District of New Jersey said in a news release. In a separate federal complaint, he has also been charged with conspi…