Hate groups in the rise in the U.S.: Since 2000, the number of hate organizations has increased by 69%, and there are currently 1,018 active groups in the U.S. The gunman who police say killed six people inside a Sikh temple in Wisconsin was a member of a racist skinhead group, one of the major sects of white supremacist organizations.

Story: Sikh temple shooter thrived as neo-Nazi musician