in? >> my best friend turned me in. >> as punishment, leslie was placed on a hard work detail. for her the promised land was a failure. >> we're not going to make a difference in the world because no one knew about us. no one cared. we were just this bunch of folks living in the jungle, surviving. >> the utopia was a hoax? >> it was a hoax, and that realization itself was overwhelming. >> when we return, a secret plan to kill. >> cyanide is one of the most rapidly acting poisons. i would like to give about two grams to a large pig to see how effective our batch is.