Multipurpose rooms have been converted into housing, and some inmates have been transferred to other facilities in North Carolina.
The arrests came after a State Bureau of Investigation probe into allegations of excessive use of force at the Harnett County Detention Center.
Luigi Mangione's state murder case is tentatively scheduled to begin on June 8, Judge Gregory Carro said on Friday.
Luigi Mangione has been called to court on February 6. The summons notification did not include a reason for the unexpected court appearance.
A federal judge in New York has dismissed the death-eligible counts from Luigi Mangione's indictment. The same judge declined to suppress evidence seized from his backpack.
A Minnesota man allegedly tried to break Luigi Mangione out of jail in New York, law enforcement sources told ABC News.