Up next, a human skeleton is found in the marshlands of North Carolina.

The longer a body's been dead, the harder it is to determine how long it's been dead.

We don't know who she is. We don't know why she was killed.

But it tells a story all its own.

Whatever happened to precede death, it probably was sexual.

A story of anger and hatred.

At what point does a person realize that, you know, they're dying?

And a violent end.

Had this person remained anonymous, we would have had nowhere to go.

I know. On a cold spring afternoon in 2004, Rayleigh Jacobs found what looked like human bones in the backyard of the home he rented in Wilmington, North Carolina.

It was kind of gruesome.

We came across these bones.

It was horrible.

First we seen her leg bones,

and then we came across her skull, you know, and ribs.

And, you know, then we realized, you know, it wasn't fake.

It was real.

You know, so it was terrible.

He called authorities who moved quickly to collect the remains and any possible forensic evidence.

The bones that had been scattered by the animals and maybe by the tide coming in because

that was a marshland.

It was a dump site and there's a lot of garbage back there.

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