When dozens of scientists with links to a top-secret American missile defense program die suspiciously, some suspect an undercover operation by Soviet assassins.

A former Nazi rocket scientist mysteriously vanishes while working on Egypt's missile program, and new evidence of his suspicious death reveals an international conspiracy of assassins and double-agents.

When an American computer engineer is found dead in Singapore, police rule it a suicide, but his parents suspect he was assassinated because he discovered a deadly secret that could threaten national security.

A brilliant engineer dreams of building the biggest gun in the world, but after he becomes a criminal, he must partner with Saddam Hussein to realize his dark scheme.

Rocket science pioneer Jack Parsons was a brilliant mind who helped lead the United States into space, but he had a dark obsession with Satan and the occult. A former FBI investigator tests if his mysterious death was a murder, suicide or an accident.

After Army scientist Bruce Ivins suddenly dies, the FBI names him as the person who used anthrax to kill five people in the wake of 9/11. But many experts dispute his guilt, believing that Ivins was framed in an FBI cover-up.

Nikola Tesla designed a powerful superweapon that could end all wars, and some experts believe this dangerous knowledge led to his mysterious death.

When a CIA scientist mysteriously dies, his death raises suspicions that he was killed because he knew too much about secret government drug experiments.