What's the Difference Between PP's and the Whites?

In the 1970s, William Pierce became something of a tutor and a mentor to a fella named James Mason. Young James had joined Rockwell's American Nazi Party back in 1966, when he was 14. Two years later, at age 16, James got in trouble at school. He started planning to go on a shooting spree and murder multiple members of his school's administration. Before carrying out his plan, the NSWPP's headquarters wound up on the horn with Pierce.