Bangladesh, Dec. 11 -- Fiji is once again confronting a crisis that has become uncomfortably familiar: allegations that its own police officers-some of them in senior positions-were intimately entwined with the countrys expanding drug trade. What began as leaked Viber chats shared across social media has now escalated into a full-scale investigation that threatens to shake the foundations of Fijis law enforcement system. With senior officers suspended, phones seized, and two of the regions biggest policing partners brought into the probe, public confidence in the Fiji Police Force is under unprecedented strain.

At the center of the unfolding scandal is Fisi Nasario, head of Fijis Serious Organized Crime and Intelligence Department. Nasar...