Labor commissioner’s widow describes night of killing and his last words she heard
By BARBARA HOBEROCK World Capitol Bureau

OKLAHOMA CITY — Cathy Costello said she and her husband, Mark, spent years trying to help their son, Christian, in his struggle with mental illness.

Those efforts ended Aug. 23 in a tragic meeting at a Braum’s in Oklahoma City.

Christian had asked to speak with Mark alone in the ice cream shop about Christian’s girlfriend, Cathy Costello said.

Cathy Costello went outside to wait. As she sat in the car texting their daughter, her husband slammed his hands on the car window, she said.

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