Federal investigators are looking into a driver's claim that a FedEx tractor-trailer was already on fire when it careened out-of-control across a freeway median and slammed into a bus taking high ... more 
Federal investigators are looking into a driver's claim that a FedEx tractor-trailer was already on fire when it careened out-of-control across a freeway median and slammed into a bus taking high school students on a college tour, killing 10 people and injuring dozens more. Tom Wait reports.
less 
1 / 28
CBS Local
Mon, Apr 14, 2014 10:24 AM EDT