Inside The Investigation with Simon Ostrovsky

Simon Ostrovsky sits down with investigative journalist Christo Grozev to talk about Russia's infamous Unit 21955 - GRU's most prolific assassination and sabotage squad that has been terrorizing Europe and the world for decades. What are their biggest hits? And what don't their wives know about their lives - but Christo and his team know? Set aside half an hour to find out...