The isolation of ICE prisoners "violates international standards," congressmen denounce. Democratic legislators urge the immigration agency to "end the misuse" of the measure, which, "according to United Nations human rights experts, constitutes torture" The senators cited a study published last month that recorded 1,106 uses of "segregation" (known informally as solitary confinement) in the third quarter of 2023, up 61% from the previous year.

Physical and mental health remain the top reasons detained immigrants are placed in segregation, according to ICE data.