(AP) - The FBI now says the gunman in the Wisconsin Sikh temple shootings died of a self-inflicted gunshot wound to the head after he was shot by police.

FBI Special Agent in Charge Teresa Carlson told a Wednesday news conference that investigators also have not yet "clearly defined a motive" for Sunday shooting at the Sikh Temple of Wisconsin that left six worshippers dead.

The agency also says Wade Michael Page is the only person responsible for the temple shooting.

Gunman in Sikh temple attack was white supremacist