AUSTIN, Texas -- A collision in Northwest Austin Friday night killed LISD Kindergarten teacher, Peggy Howard, and her son, Cale Howard, a senior at Vandegrift High School.

Police charged Nicholas Michael Justin Wyzycowski, 21, with two counts of manslaughter and two counts of intoxication manslaughter along with multiple counts of felony assault. Wyzycowski was only wearing a towel when he was arrested.

Wyzycowski had been driving a Chevrolet Avalanche south on FM 620 at around when he rear-ended a Toyota Prius. Both cars traveled into oncoming traffic, where Wyzycowski s vehicle struck a Toyota Camry, an official said.

Peggy and Cale Howard were in the Toyota Prius. Peggy died at the scene, and Cale was later pronounced dead at Round Rock Hospital.

Three occupants of the Camry were also taken to the hospital for treatment of non-life threatening injuries.

Police arrest affidavits show that Wyzycowski had a blood-alcohol content more than three times the legal Texas limit. It was measured at 0.27.

Wyzycowski attempted to flee the scene on foot, but authorities apprehended him near the scene of the crash, police said. A witness pointed him out to officers at a nearby apartment complex.

Counselors will be at Vandegrift High School Sunday afternoon from 2:00-3:00 to give support to any students who need it.

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