Nigeria, March 16 -- Within a week of the release of an OCCRP documentary exposing an online fraud operation, Nigerian authorities arrested a man allegedly involved in the scheme, while another apparent victim of the same scam came forward in Romania.

In last month's documentary, Exposed: Fake 'Dubai Prince' Tracked to Nigeria, reporters identified Nzube Ikeji, 31, who was afterwards taken into custody. Charges have not been filed, a spokesman for Nigeria's Economic and Financial Crime Commission told OCCRP.

Mr Ikeji's arrest came nearly a week after the video revealed how he allegedly posed as the real-life Crown Prince of Dubai, cultivating a romance that defrauded $2.5 million from Laura, a Romanian businesswoman.

A second apparent ...