Investigators examine body bags of victims near the scene where at least eight people were killed and 38 people were injured after a tour bus carrying a group from Tijuana, Mexico crashed with two other vehicles near Yucaipa, Calif., Sunday, Feb. 3, 2013. (AP Photo/Nick Ut)

Victims of a fatal bus crash reach out to comfort each other in the wake of the crash where at least eight people were killed and nearly two dozen injured when a bus carrying a group from Tijuana, Mexico crashed with two other vehicles on its way back from Big Bear Lake on Highway 38 north of Yucaipa, Calif., Sunday, Feb. 3, 2013. Both sides of the highway remained closed two and a half hours after the crash and it was unclear when it would reopen. (AP Photo/The Sun, Rick Sforza) MANDATORY CREDIT

EDS NOTE: GRAPHIC CONTENT - The arm of a victim hangs out the side of a bus, early Monday, Feb. 4, 2013, where at least eight people were killed and 38 people were injured Sunday after the tour bus carrying Mexican tourists careened out of control while traveling down a mountain road, striking a car, flipping and plowing into a pickup truck, near Yucaipa, Calif. (AP Photo/Ringo H.W. Chiu)

Investigators work at the scene, early Monday, Feb. 4, 2013, of the accident where at least eight people were killed and 38 people were injured Sunday after a tour bus carrying Mexican tourists careened out of control while traveling down a mountain road, striking a car, flipping and plowing into a pickup truck, near Yucaipa, Calif. (AP Photo/Ringo H.W. Chiu)

An investigator photographs the scene of the accident where at least eight people were killed and 38 people were injured after a tour bus carrying a group from Tijuana, Mexico crashed with two other vehicles near Yucaipa, Calif., Sunday, Feb. 3, 2013. (AP Photo/Ringo H.W. Chiu)

Authorities work the scene where at least eight people were killed and nearly two dozen were injured when a bus carrying a group from Tijuana, Mexico crashed with two other vehicles on its way back from Big Bear Lake on Highway 38 north of Yucaipa, Calif., Sunday, Feb. 3, 2013. Both sides of the highway remained closed two and a half hours after the crash and it was unclear when it would reopen. (AP Photo/The Sun, Rick Sforza) MANDATORY CREDIT

EDS NOTE GRAPHIC CONTENT - San Bernardino Investigators examine a tour bus accident Monday Feb. 4, 2013 in Southern Calilfornia in the San Bewrnardino area, after an accident that killed at least eight people Sunday evening. More than three dozen people were injured. At least 17 were still hospitalized Monday morning, including at least five in critical condition. ( AP Photo/Nick Ut)