They had spent the night at a casino near the Salton Sea, so many of the passengers had fallen asleep as the USA Holiday tour bus rumbled west on the 10 Freeway on the way home to Los Angeles.
Before dawn, they were jolted awake by screams and a grinding cacophony of metal on metal.
Thirteen people were killed and 31 others injured Sunday morning when the bus crashed into a big rig truck near Palm Springs, officials said.
Federal and local investigators are probing the cause of the crash, the deadliest in California in several decades.
The bus slammed into the back of the truck’s trailer, crushing the front third of the cabin. Most of...