ODESSA - We know now how a West Odessa man died after being beaten up last week.
A preliminary autopsy shows Oscar Carasco died from a blood clot from severe head trauma.
Investigators say Carasco was badly beaten in a vacant lot along citation last week.
Deputies say Juan Manuel Valenzuela is behind the beating.
He's now charged with murder.
We're told the two men got into a fight.
Carrasco died on Saturday night.
The complete autopsy results aren't expected for several weeks.