This episode contains descriptions of violence and sexual assault.

Listener discretion is advised.

The thing with Lisa was that she drew people to her because she always had a smile.

And when Lisa giggles, everybody giggled.

She was such a good person. Why wouldn't they just let her go?

After the first couple of years, do I think that the light burned as bright in my soul that it would be solved?

It dimmed at times. I'm human.

But my faith is stronger than that, and so I just said, nope, we're going to just keep on hoping.

And if we don't get them here, God will get them there.

There are 120,000 unsolved murders in America.

Each one is a cold case.

Only 1% are ever solved.

This is one of those rare stories.

It's a cool afternoon in Agawam, Massachusetts, on April 15, 1992.

24-year-old Lisa Ziegert shows up on time like she always does for her shift at Brittany's

card and gift shop. Her sister, Lynn Rogerson, stops by the shop. That night had just popped

into the store just to check in, just to say hi, just to catch up. We were talking about her

being a teacher. Lisa was student teaching during the day,

and then she worked at Britney's at night.

At the time, she had some worry and frustrations

that teaching was the right path for her

because she was still waiting to get a full-time position.

...