Akpu-Nku was revealed as the mole inside the Algerian government by Ike Uba during Rick Jackson's interrogation. When Uba was rescued by his consulate security, he called Akpu-Nku to tell him that there was a situation and that it was under control. Later, he called back Akpu-Nku to tell him that the Americans were entering the consulate. Akpu-Nku was about to leave America, when Rick Jackson kidnapped him and made him confess to every crime on tape. Akpu-Nku was then sent to prison because of his role in the day's events.
Rick Jackson found a peice of paper in Mohammad Amad's apartment that was a hitlist for all people who could trace Anatoly Maier. Idihi Akpu-Nku was on that list. Rick then visited him in prison. Akpu-Nku then stated that Russian Consul Victor Stovitch would know where Maier was. Rick and Akpu-Nku visited the Russian Consulate an hour later, and Akpu-Nku threatend to release evidence that implicated Stovitch in Day 4's events. Akpu-Nku then left the consulate, and told Rick Jackson he believed Stovitch was lying about not knowing where Maier was. Akpu-Nku was then sent back to prison, and the FBI delt with the situation.