A sicko from New Jersey allegedly took part in a neo-Nazi child-porn ring whose members groomed children online and extorted them to send self-produced, sexually-explicit videos, federal authorities said. Colin John Thomas Walker, 23, of Bridgeton, about 50 miles west of Atlantic City, was a member of CVLT, an online cabal of like-minded creeps who worked as a team “to entice and coerce children to self-produce child pornography on servers associated with and run by” the group, investigators said. Walker, who has been charged with engaging in a child exploitation enterprise, could face life in prison if convicted. Some of...