led by Adebisi begin shouting "Set Hill Free" and start physically confronting both the White inmates and correctional officers. Fearing a riot, Glynn locks Oz down into the new millennium and fires Hughes for being sympathetic to Adebisi's cause. Hughes however leaves Adebisi with a gun on his last day of work. Season 4 After the lockdown, Adebisi manipulates Warden Glynn to let Poet, Pierce, and Wangler back into Em City claiming that the racial situation will rest easier getting them back. He then secretly gives bullied inmate Guillaume Tarrant the gun. Intending to eliminate Wangler, Adebisi leaves the gun under Tarrant's mattress. Tarrant goes on a shooting spree that results in the deaths of multiple inmates, including Wangler and Pierce, and a guard. With four blacks including one correctional officer dead at the hands of a white inmate, Adebisi's goals are accomplished and his plan is set in motion as Glynn fires McManus for overlooking the gun smuggling incident. Raoul Hernandez informs on him, convinced that the Latinos will move to aid the Whites. Hernandez tells Glynn that Adebisi used the gun to stir up racial tension and that it was given to him by Hughes. Adebisi and Pancamo agree that it is time for Hernandez to die, and use new inmate Enrique Morales to kill Hernandez and take his position as El Norte's gang leader. Meanwhile, a new inmate named Desmond Mobay, who is supposedly Jamaican, wants in with the gangsters. Mobay is actually a narcotics detective named Johnny Basil who is sent in to bust the drug trade in Emerald City. Adebisi is suspicious and opposes having Mobay join as a member their crew. But Mobay comes though and passes every initiation test successfully, eventually gaining their confidence. Over the course of the season Adebisi, with the help of Zahir Arif, persuades outside community leaders to pressure Glynn into hiring a black man to replace McManus. Glynn is running for Lieutenant Governor, and sees that hiring a black man to run Emerald City is likely to gain him more support from African American voters. Eventually, Glynn does hire a black man named Martin Querns. Querns, himself an ex-drug dealer, is told to rid Emerald City of violence and racial tension. Querns tells the inmates that they may sell and use drugs freely as long as there is no violence. Head guard Sean Murphy, an ardent supporter of