By all criteria, this a concentration camp. Not “concentration camp” as rhetorical inflation, or emotionally manipulative shorthand, or edgy metaphor—but as in: literally.
As in: detention without trial, state control, inhumane living conditions, forced labor, dehumanization, brutal violence, isolation from accountability, psychological torture, and—by every available logical extension—murder.
That last one we can’t yet verify in the strict evidentiary sense, but the circumstances suggest it like smoke suggests fire, and they are already trying to hide their actions and deny what is occurring.
The concentration camps for Japanese Americans were concentration camps in the 19th century sense of the word - simply a place to hold a group of civilians during a conflict. CECOT is a concentration camp in the Nazi sense of the word - an extermination camp.