Timothy Hoffman says he will do whatever it takes to get justice for his daughter, Cynthia. The 19-year-old was allegedly lured into the Alaskan woods by her best friend, then bound, shot in the head, and then pushed in a river to her death by a group of boys.

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Timothy, who says he is close with his children and always protects them, admits he feels like he let his daughter down.
 

“I couldn’t save her. I’ve always been able to solve everybody’s problem, and this problem, I couldn’t solve. I couldn’t be there for her, and I couldn’t stop it,” the distraught father tells Dr. Phil in an exclusive interview airing Friday. “I know it’s not my fault, but I should have kept her home.”

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In the video above, Dr. Phil offers some insight for Timothy.
 
On Friday, Timothy explains what he believes happened the day Cynthia was killed and how he learned about her death. Check here to see where you can watch.