Scientology spies were trained in all covert operations techniques: surveillance, recruiting agents, infiltrating enemy lines, and blackmail. However, a suspicious librarian and a determined FBI agent brought the largest single spy operation in US government history to an end.

In 1963, the FDA raided the headquaters of a budding new and esoteric religion - The Church of Scientology. In response to this and similar incidents to come, the church's founder - an eccentric science fiction author named L. Ron Hubbard - would go on to lead the single largest known government infiltration operation in United States history

On Dec. 5, 2016, two senior Russian Intelligence officers and two civilians were arrested and accused of treason. A few weeks later, when Western journalists were finally able to speak with the men’s lawyers, they learned that the case was based on events that were, oddly enough, already widely known. This made the arrests even more peculiar.

As more details emerged over time, the picture became clearer, offering Westerners a rare glimpse into the typically secretive world of Russian intelligence.

SNAP - better known as food stamps - goes back to the Great Depression. ,The physical stamps were replaced with EBT cards in the 1990s, but since these cards are without the secure EMV chip techonolgy, enterprising crimilas found ways to drain funds meant for low-income families.

Nicole Kotsianas, an investigator with K2 Intelligence, made it her personal mission to hunt down the Hollywood Con Queen, who crulley tormented her victioms and shattered their dreams. Nicole's efforts bore unexpected fruits, when she discovered that the Con Queen was actually... a man.

In 2015, two aspiring script writers flew to Indonesia to meet with executives of a large Chinese film corporation. It was a trap: the Hollywood Con Queen not only coned them out of tens of thousands of dollars, she also cruelly ruined their friendship. Two years later, a corporate investigator working for a big shot Hollywood producer, made a discovery that put her on the trail of this master of deciet.

In the pre-internet era, encryption was a matter of life and death, and the motives behind these ciphers were varied and complex. Discover how George Lasry, a modern codebreaker, uncovered the secrets of Mary, Queen of Scots, hidden in the French National Library for over 400 years. This episode delves into the painstaking process and the historical impact of decoding these ancient messages, revealing the hidden motives and desperate actions of a doomed queen.

Why did people write malware in the pre-internet days? Back then, there was no way to make money by writing malware. So why write them in the first place? The lack of a financial motivation meant that virus authors had a plethora of other motives - and this diverse mix of motives had, as we shall hear, an interesting effect on the design and style of viruses created at that period.