Polish cybercrime police arrested Nigerian boss of international scam group in Warsaw. Five Nigerians total detained for BEC fraud and money laundering. Scammers posed as US soldiers or overseas doctors on social media. Built emotional bonds with women victims who sent cash. Also hijacked company emails to redirect bank payments. Losses exceed 1 million zlotys with more victims pending. All suspects Nigerian citizens held in three-month arrest. Police seized 16 phones and dozens of SIM cards. Gang operated organized criminal structure. Prosecution ongoing to identify full members and damages.