US Gurdwara shooting

Police storm a Sikh temple in Oak Creek, Wis., Sunday, Aug. 5, 2012, after reports of a shooting, where police and witnesses describe a chaotic situation with an unknown number of victims, suspects and possible hostages. (AP Photo)

A woman reacts with others as they await word on a shooting at a Sikh temple in Oak Creek, Wis., Sunday, Aug. 5, 2012, where police and witnesses describe a chaotic situation with an unknown number of victims, suspects and possible hostages. (AP Photo)

Armed police investigate the Sikh Temple in Oak Creek, Wis. where a shooting took place on Sunday, Aug. 5, 2012. (AP Photo)

Bystanders sit in the shade at the scene of a shooting inside The Sikh Temple in Oak Creek, Wis, Sunday, Aug 5, 2012. Greenfield Police Chief Bradley Wentlandt says tactical officers have been through the temple where shots were fired about 10 30 a.m. Sunday. He says they found four people inside the building and three people outside. (AP Photo)

Police stand guard as bystanders watch at the scene of a shooting inside a Sikh temple in Oak Creek, Wis., Sunday, Aug. 5, 2012. Police and witnesses describe a chaotic situation with an unknown number of victims, suspects and possible hostages. (AP Photo)

People who said they have family members in the Sikh temple on S. Howell Ave. in Oak Creek, Wis. wait together for more information after a shooting occurred at the place of worship on Sunday, Aug. 5, 2012. (AP Photo/Milwaukee Journal Sentinel)

A worshipper is escorted out after a shooting at the Sikh Temple of Wisconsin in Oak Creek, Wis. Sunday, Aug. 5, 2012. (AP Photo/Milwaukee Journal Sentinel)

A man sits on a rock as police investigate the Sikh Temple of Wisconsin in Oak Creek, Wis., after a shooting Sunday, Aug 5, 2012. (AP Photo)

A woman uses a phone as people react outside the Sikh Temple of Wisconsin in Oak Creek, Wi, where a shooting took place Sunday, Aug 5, 2012. (AP Photo)

An FBI vehicle moves in front of the Sikh Temple of Wisconsin in Oak Creek, Wis., as police investigate a shooting Sunday, Aug 5, 2012. (AP Photo)

Police personnel move outside the Sikh Temple in Oak Creek, Wis, where a shooting took place Sunday, Aug. 5, 2012. (AP Photo)

Police personnel move outside the Sikh Temple in Oak Creek, Wis., where a shooting took place Sunday, Aug 5, 2012. (AP Photo)

People watch police personnel outside the Sikh Temple in Oak Creek, Wis., where a shooting took place Sunday, Aug 5, 2012. (AP Photo)

Police personnel move outside the Sikh Temple in Oak Creek, Wis., where a shooting took place Sunday, Aug 5, 2012. (AP Photo)

Police walk near the Sikh Temple of Wisconsin in Oak Creek, Wis., after a shooting Sunday, Aug 5, 2012. (AP Photo)

Police approach the Sikh Temple of Wisconsin in Oak Creek, Wis. where a shooting took place on Sunday, Aug 5, 2012. (AP Photo)

A police k 9 unit, left, and a robot, center, are outside The Sikh Temple in Oak Creek, Wis., where a shooting took place Sunday, Aug 5, 2012. (AP Photo)

Mourners take part in a candle light vigil for the victims of the Sikh Temple of Wisconsin shooting in Milwaukee Sunday, Aug 5, 2012. (AP Photo)

Mourners take part in a candle light vigil for the victims of the Sikh Temple of Wisconsin shooting in Milwaukee Sunday, Aug 5, 2012. (AP Photo)

A woman sits with a candle during a vigil for the victims of the Sikh Temple of Wisconsin shooting, in Milwaukee, Sunday, Aug 5, 2012. (AP Photo)