The beginning of the movie is you see these people going through the town wearing those suits where they are protected by god knows what and they are seeing everyone in the town is dead they come up to the building that supplies the town with energy I think but they go in they check out the place and there are a couple of bodies in there and they check them out and find out that their blood had turned into red powder and I had to stop watching the show for had to leave.

I've only seen it up to there both times and it had been years in between each of the times. It is an older movie it could range from 1950's-1970's I have never caught it from title of show or names. I am one of the ones that if it interests me I watch it no matter where it is at in the movie or show.It has bugged me for so many years that I had never found the name of it so I could watch it all the way through plus find out in the show how did that happen to the town.

The Andromeda Strain (http://www.imdb.com/title/tt0066769/)