An off-duty El Paso police officer has been charged with DWI in a fatal crash north of Austin early Tuesday morning.
Authorities said 26-year-old officer Alan Eduardo Dieguez was driving faster than 100 mph on Interstate 35 near Jarrell at about 2:15 a.m. when he rear-ended a semitrailer.
The driver of that semitrailer pulled over to check on the man. A second semitrailer hit debris from the crash and skidded off the roadway, killing the unidentified driver of the first semitrailer. A third semitrailer also hit debris and caught fire.
Three people with injuries were taken to a Round Rock hospital.
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Police officials said Dieguez wasn't on duty at the time of the crash. He was booked into the Williamson County Jail on the driving while intoxicated charge and unlawfully carrying a weapon, then freed on bond later Tuesday.
Officials said he'll be placed on administrative leave.