Ominous signs. There was a rock thrown through one of the windows. I can remember asking if he felt threatened. 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 longrunning mystery. Who killed the veterinarian . I think the perpetrator stood there and watched him die. There were so many different leads and rumors. Jealousy . Rage . Revenge . A crime of passion, investigators said. I felt like if it wasnt for me, it never would have happened. And the unbelievable thing, the killer didnt leave a trace. It was your classic whodunit. Could anyone solve it . You look at what its done to our family. It was hard. I wanted justice for my brother. Im lester holt, and this is heres Keith Morrison with mystery in big sky country. Reporter there was a broad swath of prairie where the cattle outnumbered the people and a sad Summer Breeze sang around a modest dwelling in the grass. Emergency. This is Marlene Protsman in