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A Gilbert police officer stands outside the police tape outside a crime scene Wednesday, May 2, 2012 in Gilbert, Ariz. Police in the Phoenix suburb of Gilbert say a man shot and killed four people, including a toddler, before killing himself. (AP Photo/Matt York)

A Gilbert police officer stands outside the police tape outside a crime scene Wednesday, May 2, 2012 in Gilbert, Ariz. Police in the Phoenix suburb of Gilbert say a man shot and killed four people, including a toddler, before killing himself. (AP Photo/Matt York)

Neo-Nazi involved in AZ shooting

The Neo-Nazi founder of an anti-immigrant border militia is believed to have shot and killed four people before turning a gun on himself following a domestic dispute at a home in a Phoenix suburb, police said on May 3.