It happened west of Dundee yesterday when DPS troopers say 45 year old Adelberto Chapa of Fort Worth, crossed the center line heading eastbound on Highway 82.
That crash caused Chapa's black pickup to catch fire and a red pickup to run off the road.
Investigators say 17 year old Lacy Mullings and 23 year old Cody Goss, both from Maud, Oklahoma, were in that red pickup.
Chapa, Mullings and Goss died on the scene.
Investigators say the fourth person involved, Brenda Montoya from Mexico, was also in the black pickup that caught fire.
She was pinned under a trailer and flown by medical helicopter to United Regional.
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