Explores the suspicious circumstances surrounding CIA scientist Frank Olson's apparent suicide and his knowledge about classified government drug experiments.

Experts dispute claims that US Army scientist Bruce Ivins was responsible for using anthrax to kill people after 9/11, and that he was framed in an FBI cover-up.

An investigation into the death of Jack Parsons, a brilliant mind who contributed to the United State's space efforts, but who had an intense obsession with Satan and the occult.

When American computer engineer Dr Shane Todd is found dead in Singapore, his parents don't believe the police's judgement that it was a suicide, and think that he had discovered a deadly secret that threatened national security.

Examines the strange disappearance of Harvard structural biologist Dr Don Wiley in 2001, as well as the disappearance of former Nazi rocket engineer Heinz Krug while working on Egypt's missile program.

Soviet assassins are blamed when dozens of scientists from an American missile defence program die suspiciously.