Hey, it's Elahey. Today, I'm handing things over to my colleague Doug McMillan.

Doug is an investigative reporter at the post, and he spent the past few months working on this

story that when I heard it sounded like a living nightmare. He talked to people who say that one

day, out of the blue, they were arrested

for crimes they knew nothing about. Here's Doug. This story starts with a man named Chris.

Hey, how you doing? I'm Christopher Gavin. Chris is 32 years old. He's a father of four. He lives in

Indiana now, but he's originally from St. Louis.

And that's where he was on the day when his life changed forever.

Can you tell me about that day and what you were doing that day before this happened?

I literally just had got off work.

I just had made it home.

I was about to get myself together, hop in the

child, finished the rest of my day, rest up. And it was a knock on the door.

He went to answer the door. There were two police officers standing there, a man and a woman.

And Chris told us he wishes he had never stepped outside to talk to them.

The officers asked Chris some confusing questions.

One of them asked if Chris had a pass for the MetroLink,

the St. Louis public transit system.

He said he didn't.

He said he drives everywhere and he has a truck.

And after he asked that,

he looked at the other officer,

...