I'm Lester Holt and this is Daintline.

He was well liked, he was well loved, he was smart, he was fun.

I had the most senseless, empty feeling.

This is how it ends. Why would somebody do it? Now what?

White hat, wide open smile, a handsome young veterinarian in Big Sky Country.

He loved helping animals. He asked me out that night, I was excited.

Then they found him, dead on the floor.

Two shots went off and then the third shot into his chest.

Three gunshots that launched a long-running mystery.

Who killed the veterinarian?

I think the perpetrator stood there and watched him die.

There were so many different leads and rumors.

I felt like it wasn't for me, it never would have happened.

Jealousy, rage, revenge.

It was your classic who done it.

Could anyone solve it?

Look at what it's done to our family, it was hard.

I wanted justice for my brother.

Here's Keith Morrison with mystery in Big Sky Country.

There was a broad swath of prairie where the cattle outnumbered the people

and a sad summer breeze sang round a modest dwelling in the grass.

The magic jitter was modeling, caught in the drowling.

...