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Real people, real crimes, real life drama.

This was a very shocking case. For someone to come into somebody's house, stab two people and kill someone.

Who want to get the bad guy? Who is this?

Sammy Gellert. The Gellert case is one that's kind of haunted us for 20 years now. The biggest problem I think we have is really trying to figure out why it happened.

This cold case could be solved tonight. So listen carefully. Detectives need more evidence and it could come from you.

Maybe you know some of the suspects or maybe you'll just notice a vital clue to this brutal murder that investigators somehow missed.

It was spring break. The town was full of people. The weather was awesome.

Well March 20, 1994, Amy Gellert and her parents attended a church service in Mayor Dallan.

I see Amy at church. And she says I'll be home soon. We go home and we're early.

The parents returned home. I know to them there was an intruder in the residence.

I see the man step into the room and he's completely disguised. And then I saw that he had a dagger and a gun.

Basically we had to crawl through here on our hands and knees. And he took us to this area right here. He was pacing.

He was going out the store here. They had offered money. They had offered cars. They made all these offerings just to kind of get rid of them.

Why remain there? Why keep looking out? I sensed and Bob sensed that he was waiting for a ride. And I saw the lights coming down the driveway.

He panicked. Something switched in him and he just lost it.

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