You don’t have to bribe FSB directly to buy databases. You simply search among numerous online forums in .ru for a contact in Telegram, ask for a small sample,

You don’t have to bribe FSB directly to buy databases. You simply search among numerous online forums in .ru for a contact in Telegram, ask for a small sample, negotiate a price (100-10000 USD depending on database), pay for it with BTC, and obtain it via Telegram. There was nothing FSB specific in the databases obtained by bellingcat, just regular citizen data.