What you should know: Mamu led the negotiation with the terrorists to release the Abuja-Kaduna train passengers kidnapped in March 2022.
In the same month, the DSS raided his residence, where military kits, foreign currencies and other items were found. They will be presented in court as evidence.
What is to happen: Mamu, who faces on a 10-count charge bordering on terrorism financing and others, will face Justice Inyang Ekwo of a Federal High Court, Abuja.