NEW YORK (JTA) – A former Marine who belonged to a neo-Nazi group that counts willingness to murder Jewish children as a membership requirement has been arrested on charges stemming from a federal investigation into his plot to commit mass murder, including against Jews. Matthew Belanger was an active Marine while conspiring online with members of a hate group called Rapekrieg, according to a July 14 court filing by federal prosecutors arguing that he should remain in jail while awaiting trial. Together with others from his Long Island, New York, hometown, Belanger had “procured weapons, uniforms, and tactical gear, and...