https://www.thedailybeast.com/vladimir-putins-top-cops-some-in-the-fsb-are-mobsters-even-kgb-vets-are-ashamed
There are no checks and balances at FSB management, Gudkov pointed out. “The Soviet KGB was massively repressive, you can blame that service for anything, but not for corruption. The worst we could hear about was a colleague sleeping with somebody’s wife or some secret agent bringing a pair of sneakers for a colleague from abroad—that was already a big enough scandal to write a report,” Gudkov remembered. “Even in our worst nightmare we could not imagine officers stealing millions of dollars, robbing banks. What will we hear next? The Russian Federal Security Service robbing the Kremlin’s treasury or the Central Bank’s reserves?”