It's the routine that numbs the grinding, unrelenting sameness of survival.

Each day starts with a quest for food and ends with a hunt for shelter.

Rinse and repeat.

Days run together.

Punctuated only by the terror, a random violence.

There was always violence and the potential for violence among the homeless.

Unfortunately, oftentimes, they would victimize each other.

It's the life of fang and claw in the wild.

It's the life of countless human souls on city streets in America.

None of us believe that we will ever be homeless, but the homeless never believe that they would be either.

Twenty years ago, it was the life Paul Vados and Kenneth McDavid lived.

Kid of McDavid and Paul Vados were vulnerable people.

Then two sweet-faced ladies appeared.

Women who seemed to understand that the truly destitute needed more than a blanket bowl of soup and a cup of coffee.

They put them up in apartments, paid all their utilities, fed them, took them where they needed to go, would periodically check on them.

In this episode, you'll hear about the life of one of those men and the kindly old ladies who rescued him from the streets.

Kenneth was, he was very, very good at school.

The smart one.

He was the smart one.

You'll also hear from the investigators who slowly unraveled the terrifying secret behind two back alley deaths.

Some camera did record what went on here, am I right?

Yeah, that's the camera that saw the car come down, stop for a few minutes and then start up and leave.

...