He was apprehended by the Bauchi State Police Command for alleged possession of a firearm.
Emmanuel was said to have been arrested on December 11, while coming out of the university campus.
A statement by the Spokesperson of the command, SP Ahmed Wakil, said the suspect admitted during interrogation that he acquired the firearm from one Zadog, who leased it to him for two academic semesters at the cost of N120,000.
The statement made available to journalists on Friday further revealed that the suspect said he obtained the weapon for personal protection and security against potential criminal threats.