Tonight on Dateline.

He had a premonition.

He believed someone was plotting his murder.

I wonder what it must have been like when he saw the face of the person who was about to end his life.

I saw John Lang right there. His clothing was drenched in blood.

You can see the bloody footprints that went through the hallway and out the back door.

This was clearly a killing of passion.

You're talking about someone who was a very strong, powerful, aggressive killer.

You're in charge of the investigation.

You really cast a wide net.

I did.

Days turned into weeks, weeks turned into months.

No arrest came.

Something's not right.

This had the whole town just uneasy.

The debt is to predict it his own death and the loved ones who would not stop until the case

was solved.

What are you thinking? I mean, he could be our prime suspect and I'm being told not to interview him.

I just had to keep going.

He probably was one step ahead of me every time.

I'm Lester Holt, and this is Dayline.

Here's Andrea Canning with The Premonition.

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