It doesn't seem like the story was picked up by major news sources. Probably not enough confirmation of links to Bitfinex.
It was mentioned in Finance Magnates:
Bitfinex is Mixed Up with Colombian Cocaine, Polish Media ReportsAnd Cointelegraph:
Unconfirmed: Polish Prosecutors Seize 400 mln Amid Allegations Bitfinex Is Implicated In FraudNews is emerging of the seizure of 400 mln from an account that is reportedly affiliated with crypto exchange Bitfinex at the Cooperative Bank in Skierniewice, Poland. The investigation is allegedly tied to Colombian drug cartel operations, a local news outlet reported April 6. The report has not yet been officially confirmed or denied by Bitfinex.
On Polish forum Bitcoin.pl, one Bitfinex user has claimed he was interrogated by Polish police last week: I testified as a witness regarding the case of Crypto sp z o.o because they sent me money from Bitfinex and their accounts were blocked.
Todays reports in Polish media raised the suspicion that there is a connection between Panama registered Crypto sp z o.o (and parent company Crypto Capital Corp.) and narcotics trafficking networks, suggesting that the criminals converted fiat into crypto to cover their tracks.
No charges filed and no confirmation of the links to Bitfinex, though it certainly looks possible. In any case, it does highlight the danger of exchange risk, especially with unlicensed exchanges. Be careful out there!