17-year-old Crystal Howell did the unthinkable.

She murdered her father in cold blood.

I go over, I touch what I think is a mannequin, so I started screaming and crying.

At least, that's the story that was told.

50-year-old Michael Howell was a good father and tried repeatedly to help his daughter.

A daughter, friends say, was deeply troubled.

Tried as an adult, Crystal got railroaded through the justice system.

And the teen was sentenced 30 years to life in prison.

My whole life, all I wanted was to be somebody that he could eventually look at and

be like, that's my kid, that's my daughter, where I can make him proud.

But why it happened has never been told until now.

Teenagers living in a mansion.

Really messed up stuff that happened that night.

I hear him scream at me to put my hands in the air.

The betrayals what lit the fire.

But Mike, he wouldn't leave well enough alone.

He hated her.

I believe he had murder in his heart.

He told me to not even think about running away that he would deal with me when he got up. And that was the last thing he ever said to me.

For the first time Crystal Howell is telling her story.

They wanted to believe the worst.

They wanted to believe it's for money or someone to go out and hang out with my buddy. It makes it easier to put a

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