AP Photo/Sue Ogrocki
Eight-year-old Cub Scout Daniel Kirchofer holds a candle during a candlelight vigil in Omaha, Neb., Thursday, June 12, 2008, for the four Boy Scouts killed after a twister flattened their camp in Iowa Wednesday night.
AP/Omaha World-Herald, Laura Inns
An aerial view Thursday, June 12, 2008, shows the remnants of a building destroyed at the Little Sioux Scout Ranch and other damage from a tornado that hit the boy scout camp in western Iowa's Loess Hills Wednesday, killing at least four and injuring 48 people.
AP Photo/Nati Harnik
The camp ranger's residence lies demolished Thursday, June 12, 2008, after a tornado that killed four boy scouts ripped through the Little Sioux Scout Ranch Wednesday in western Iowa.
AP Photo/Nati Harnik
Boy scout officials survey the rubble Thursday, June 12, 2008, of a shelter where four boy scouts were killed by a tornado Wednesday at the Little Sioux Scout Ranch in western Iowa.
AP Photo/Nati Harnik
An official examines the rubble Thursday, June 12, 2008, of a shelter where four boy scouts were killed by a tornado Wednesday at the Little Sioux Scout Ranch in western Iowa.
AP/Onawa Sentinel, Loren Sawyer
Damaged trees at the Little Sioux Scout Ranch after a tornado ripped through the Little Sioux Scout Ranch in the remote Loess Hills, Iowa, Wednesday, June 11, 2008. Frightened Boy Scouts huddled in a shelter as a tornado tore through their western Iowa campground, killing four people and injuring 48 others who had little to no warning of the approaching twister.
AP/Onawa Sentinel, Loren Sawyer
Firefighters search the wreckage at the Little Sioux Scout Ranch after a tornado ripped through the ranch in the remote Loess Hills, Iowa, Wednesday, June 11, 2008. Frightened Boy Scouts huddled in a shelter as a tornado tore through their western Iowa campground, killing four people and injuring 48 others who had little to no warning of the approaching twister.
AP/Onawa Sentinel, Loren Sawyer
Remains of a ranger's house at the Little Sioux Scout Ranch can be seen after a tornado ripped through the ranch in the remote Loess Hills, Iowa, Wednesday, June 11, 2008.
AP/Onawa Sentinel, Loren Sawyer
Emergency vehicles line up as part of the rescue effort at the Little Sioux Scout Ranch after a tornado ripped through the Little Sioux Scout Ranch in the remote Loess Hills, Iowa, Wednesday June 11, 2008.
AP/Onawa Sentinel, Loren Sawyer
An emergency helicopter and ambulance pick up tornado victims after a tornado ripped through the Little Sioux Scout Ranch in the remote Loess Hills, Iowa, Wednesday, June 11, 2008.
AP Photo/Dave Weaver
Taylor Willoughby of Bellevue, Neb, left, and his father H. Taylor Willoughby, recount the moments after the boy scout camp young Taylor was attending in Little Sioux, Iowa, was hit by a tornado Wednesday, June 11, 2008. Four people were killed by the tornado that hit the camp.
AP Photo/Nati Harnik
Scouts are escorted into the West Harrison High School in Mondamin, Iowa, Thursday, June 12, 2008, where they were reunited with their relatives. At least 4 died and scores were injured when a tornado touched down Wednesday, June 11, 2008, at the Little Sioux Scout Ranch, where scouts were training.
AP Photo/Nati Harnik
An unidentified boy scout leaves the West Harrison High School in Mondamin, Iowa, Thursday, June 12, 2008, where he was reunited with relatives. At least 4 died and scores injured when a tornado touched down Wednesday, June 11, 2008, at the Little Sioux Scout Ranch, where scouts were training.
AP Photo/Nati Harnik
An unidentified boy scout leaves the West Harrison High School in Mondamin, Iowa, Thursday, June 12, 2008, where he was reunited with relatives, not seen.
AP Photo/Nati Harnik
Scouts and their families hug outside the West Harrison High School in Mondamin, Iowa, Thursday, June 12, 2008, where they were reunited after a tornado touched down at the Little Sioux Scout Ranch, where scouts were training.
AP Photo/Nati Harnik
An unidentified boy scout is greeted outside the West Harrison High School in Mondamin, Iowa, Thursday, June 12, 2008, where scouts who were caught in a tornado were reunited with their relatives.
AP Photo/Nati Harnik
A boy scout is wheeled out of the West Harrison High School in Mondamin, Iowa, early Thursday morning, June 12, 2008. A tornado tore through a boy scout camp in the remote hills of western Iowa on Wednesday, killing at least four people and injuring more than 40, and setting off a frantic search to reach those in the piles of debris and downed trees.