A Duncanville man was killed in a crash in southwest Dallas early Saturday morning.
The Dallas County Medical Examiner's Office identified the man as 22-year-old George Castillo-Diaz .
Police say at around 1 a.m. Saturday, Diaz was driving on Spur 408 at Kiest Boulevard near Dallas Baptist University when he drove off the roadway and rolled down a steep embankment.
Police say he was the only one in the SUV at the time of the crash.
Diaz died in the crash.
