Unit 29155 | Episode 1: The Salisbury Poisonings - Part 1

In the premiere episode of our series on Unit 29155, investigative journalist Christo Grozev unpacks how this failed assassination attempt on former Russian double agent Sergei Skripal and his daughter Yulia exposed the existence of Russia’s top-secret black ops division within the GRU.

What began as a mystery about a poisoning in small British town led to one of the most explosive open-source investigations ever conducted. Join us as we trace the mission from Salisbury back to the heart of Moscow — revealing the real identities of the suspects, their ties to Russian military intelligence, and the reckless trail they left behind.

This is the case that launched a global investigation into Kremlin-backed assassinations, foreign interference, and state-sponsored terror at the hands of this one group. It’s where Christo Grozev started to unspool the complex web of Unit 29155's operations — and it’s more shocking than fiction.

This is Part 1 of a two part series on the Salisbury poisonings, told from the perspective of the man whose team discovered the truth.

Subscribe to The Christo Files for Part 2 and for more episodes on the global operations of Russia’s most secretive hit squad, Unit 29155.

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