sentences:  In May 2011, the NSM was described by "The New York Times" as being "the largest supremacist group, with about 400 members in 32 states, though much of its prominence followed the decay of Aryan Nation and other neo-Nazi groups".On May 1, 2011, Jeff Hall, a leader of the California branch of the NSM, was killed by his 10-year-old emotionally troubled son, who claimed he was tired of Jeff beating him and his stepmother.Hall had run in 2010 for a seat on the board of directors of a Riverside County water board, a race in which he earned approximately 30% of the vote.