Tonight on Dateline. You could see which had been dragged across the carpet into the garage.

We made the assumption that whoever had done this killing knew the victim.

What happened leading up to these events?

Her and her new was got into a fight Monday.

She said she can't just scratch. Your girlfriend was very badly heard the other day.

Someone shot her.

Oh my God, that's not me, that's not me, that's not me.

He says you've got to help me find the murder and I'm thinking myself I'm looking at the murder right now

There was a dark side. He was a very jealous and controlling individual

I couldn't see that guy hurting a fly there's no jealous and controlling individual.

I couldn't see that guy hurting a fly.

There's no way possible.

She took on our victim's name.

She kind of took over our victim's persona.

Plan A was stuff the body in the trunk and then leave.

Now Plan B went into effect.

We saw those videotapes.

That was like a aha moment.

That's when a bright light goes on.

We're both shaking our heads going,

there's something wrong here.

The witness told one story, the evidence told another, a search for the truth, and a killer.

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