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Crime & Justice

Oklahoma Politician Never Gave Up on Killer Son

A Father’s Love

Mark Costello, the state’s labor commissioner, worked tirelessly for better mental-health treatment for his son, who fatally stabbed him on Sunday evening.

Kate Briquelet

Senior Reporter

Published Aug. 25 2015 1:00AM EDT

articles/2015/08/25/oklahoma-politician-never-gave-up-on-killer-son/150824-briquelet-oklahoma-shooting-tease_r1uy7x — Photo Illustration by The Daily Beast

Kate Briquelet

Kate Briquelet

Senior Reporter

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