In the suburbs of D.C., a woman fails to show up for work and is found brutally murdered.

I wonder which emergency.

We just walked in the door, and there's blood in the foyer.

For the next two decades, the case remained unsolved until new technology allowed investigators to do what had once been impossible.

A new series from ABC Audio in 2020.

Blood and water.

Listen now, wherever you get your podcasts.

Step into the 2020 True Crime Vault.

Listen to our most gripping stories.

Music to our most gripping stories. From the outside, it honestly looks like a dark Hansel and Gretel kind of house.

Your dog?

Okay, what I mean?

We're not friendly. As soon as you walk into the house, the hair stands up on the back of your neck.

It's pretty creepy.

It really was.

I've come to this remote part of Michigan's Upper Peninsula.

It seems haunting, but maybe that's because this is where the mystery unfolds.

There's more media attention to our missing person, Chris Reagan.

This doesn't look like Chris's apartment at all. It's all disheveled.

He was always very neat.

Everything was always put away.

It was going to say I always start dragging.

...