discussions, enforcements and detentions in reality are in fact similar to arrests under the Criminal Procedure Act.258) Immigration officials enforcing the undocumented aliens have special judicial police authority. Moreover, during the enforcement and detention process, immigration officials can use gas guns and handcuffs, and the foreigners in the immigration detention centers are restricted from outside travel and movements. The Cheongju Immigration Detention Center uses the building used as Cheongju Prison, and iron bars and CCTVs are installed in the detention rooms, and possession, bringing in, and purchases of personal items, including mobile phones, are restricted. Rather, compared to correctional facilities, they have fewer medical personnel, equipment, and emergency medical systems.259) Two changes related to the immigration detention centers in 2022 seem to be discussed in this context. Security and protective equipment (ankle protectors, guards, protective chairs, protective clothing, protective beds) that the Ministry of Justice intended to introduce by amending the Foreigner Protection Rules are equipment used in correctional facilities pursuant to the ‘Enforcement Rules of the Act on Execution of Sentences and Treatment of Inmates.’ Regarding this, concerns were raised about the introduction of procedures and security/ protective equipment related to correctional facilities without considering the differences between the two facilities, even though the immigration detention centers are not of the same nature as the correctional facilities, having the purpose of executing sentences. Demands for the operation of open immigration detention centers and improvements related to the treatment of foreigners in immigration detention centers are also related to various human rights issues that arose as immigration detention centers are managed similar to correctional facilities. Several overseas studies have also confirmed that immigration detention centers that replicate prisons have a serious adverse effect on the physical and mental health and rights of migrants, and therefore, it is necessary to provide treatment and medical services that deviate from the current practice of detaining foreigners.260) 258) NHRCK, Decided on May 23, 2005, 04JinIn139, 04JinKi131 Combined Decision 259) NHRCK recommended improving the system to increase the human rights of the detained foreigners from the investigation conducted at the immigration detention centers in 2021, Apr. 2022. 260) Park, Ju-young, In need of an immigration detention center that protects human rights and health, People’s Health Research Institute, Jan. 27, 2022. 103