Candy was a nine-year-old girl.

She lived in an apartment above the grocery store with her mother.

The one solid rule she always had was to be home before dark, and she wasn't.

When Candy went missing, an entire community searched for her.

A patrolman noticed the little girl's knees sticking out from a slash pile.

So with that, it becomes a homicide investigation.

It was 1959.

For 62 years, there were no new leads on the case.

It went cold.

If you just ask the people of any state, hey, did you know there's like hundreds of people

laying in the cooler that no one's working the case? They would be like, what?

Candy's name was added to a list of unsolved murders. Some of the victims don't even have names.

We have no idea who they are.

So you walk into the medical zone? There's a wall in the one walk-in cooler, and it's just

up and down, up and down of bodies and bankers boxes. I just think that we as society, we should send those people home, you know.

These are the coldest of cold cases, but everything is about to change.

I called Zach and I said, I think I have a lead.

A small lab in Texas is cracking the code on DNA. Using new scientific tools, they're finding

clues in evidence so tiny you might just miss it. These cold case investigators will spend

their careers working on like a few cases. And now with like just very basic technology that we

can put in their hands, they can go on to solve

dozens of cases at a time. And for the first time, there's a solution. Even if they burn their

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