The $20 Million Cat the CIA Turned Into a Spy

During the Cold War, intelligence agencies poured money into schemes that sound more like pulp fiction than policy. Surveillance was the obsession of the era, and no idea seemed too strange to greenlight if it promised an edge over Moscow.

One of the strangest came from the CIA's Directorate of Science and Technology, which decided that an ordinary house cat might make the perfect undercover operative. The project, codenamed Acoustic Kitty, ran for roughly five years starting in the 1960s. Engineers believed a cat's natural ability to wander unnoticed made it the ideal listening device.

Turning a cat into a spy meant invasive surgery most people would never imagine a government agency approving. A microphone was implanted into the animal's ear canal, while a small radio transmitter was placed at the base of its skull. A thin antenna was then threaded along the length of its tail.

The total cost of the program reportedly reached about $20 million, an enormous sum for a single animal-based device. Researchers also had to train the cat to stay calm and tolerate its new hardware, which was no small feat given how cats typically respond to being handled.

Getting a cat to behave on command proved to be one of the hardest parts of the entire project. Cats are famously indifferent to instructions, and keeping one focused on a surveillance task rather than wandering off required extensive, costly experimentation.

When the moment finally came to test the modified cat in a real-world scenario, handlers released it near a park where Soviet officials were known to gather. Within moments of being set loose, the cat was struck and killed by a passing taxi, ending the mission before it ever truly began.

The program was quietly shut down afterward, and details remained classified for decades until documents were declassified years later. It stands as one of the more expensive and improbable footnotes in Cold War intelligence history, proof that even the world's most powerful agencies could chase ideas destined to fail spectacularly.