Photo of Ruth Ann Mardock via WFAA

Photo of Ruth Anne Mardock via WFAA

Dr. Ruth Anne Mardock, a psychiatrist who was killed by a patient at a mental hospital last week, was a Kimball High School graduate and the daughter of a prominent Oak Cliff doctor.

Mardock was attacked by a patient, Tony Cason, at Timberlawn Mental Health System in East Dallas on June 30. She died Saturday, July 2.

WFAA reports that the state attempted to close the 99-year-old privately owned mental health hospital earlier this year over safety concerns. The hospital was fined $1 million after a patient committed suicide there in December 2014.

Mardock graduated from Kimball in 1971. She and her four siblings all graduated from Kimball and the University of Texas at Austin.

Their dad was Julian Mardock, a Chinese American combat pilot who flew more than 100 missions in Europe during World War II. Julian Mardock had a medical office on Beckley near Overton for more than 30 years. The elder Mardock also served as a jail doctor for Dallas County, and he treated Jack Ruby during that service. He died in 2006.

Ruth Anne Mardock was a longtime psychiatrist who had worked for many years at Timberlawn, according to the TV news story.