In the season 8 finale of FBI, special agent Omar Adom Zidan refuses orders to alter reports about a deadly pathogen and is relieved of duty. The episode, which aired Monday, sets up major changes for season 9.
The finale centers on a high-risk bio-hazard sample stolen from a transport vehicle. Agents OA, Maggie, Scola, and Eva track the pathogen, which turns out to be one of the most transmittable RNA viruses known to the government. They learn the NSA took the sample and used enhanced interrogation on truck drivers before the virus was released on a busload of civilians.