Prisoners newly inducted into the MDOC system are placed in diagnostic institutions. Adult male prisoners may go to either the
Eastern Reception & Diagnostic Center, the
Fulton Reception & Diagnostic Center, or the
Western Reception & Diagnostic Center. All incoming female prisoners, including adults and minors under 17 who are convicted on adult charges in adult courts, are sent to the
Women's Eastern Reception, Diagnostic & Correctional Center. Male prisoners under 17 years of age who are convicted in adult criminal courts were sent to the
Northeast Correctional Center which no longer houses minor offenders, minors are now sent to Farmington Correctional Center. Male death row inmates are sent directly to
Potosi Correctional Center. The department has a problem with harassment of and by its employees. During the period from fiscal 2002 to 2006, the state paid out just $340,000 in court awards to its own employees. During the period from 2012 to 2016, the figure was over $7.5 million. Court documents show a culture of sexual and racial harassment by employee against other employees. Governor
Mike Parson signed a contract with
Aramark for food and dining services in Missouri prisons. After initially good results, it was reported that the quality of food deteriorated, and supplies included in the contract, such as salt and pepper or cleaning supplies, were not being provided. Healthcare is contracted out to Centurion Health since 2021. The company was previously owned by
Centene Corporation but sold to private investors in 2023. Poor healthcare has been named as a factor in increased death rates among Missouri's incarcerated population. Four prisons have no
air conditioning in housing units. In May 2025, the MacArthur Justice Center filed a lawsuit against Missouri Department of Corrections on the basis of
cruel and unusual punishment of dangerously high temperatures, particularly for
solitary confinement chambers. == Fallen officers and staff members ==