Passenger saw driver slumped over wheel before bus crash, warrant says

SALT LAKE CITY — Whether a deadly Greyhound bus crash off I-70 near Green River was the result of the driver suffering a medical condition or because he dozed off was still being investigated Monday.
Witness statements appear to provide evidence for both scenarios, according to a search warrant affidavit unsealed over the weekend in 7th District Court.
On New Year's Eve, the bus carrying 13 passengers and a driver was traveling from Denver to Las Vegas when it went off the road near the De