ODESSA - We now know what caused Tuesday's fatal crash in Odessa.
Investigators tell NewsWest 9, a van and pickup hauling a trailer were driving down Loop 338.
That's when the van turned left in front of the truck to get to Yukon and that's when they crashed.
The three men who died in the crash were thrown out.
We're told they were not wearing their seatbelts.
Seven other men were injured.
Two of them, 35-year-old Gerardo Villarreal of Florence, Texas, and 39-year-old Genaro Duarte of San Antonio, are now listed in critical condition.
The other five men have been released from the hospital.