"A Legacy Of Torture Is Preventing Trials At Guantánamo"
"Those techniques included mock burials; aggressive body cavity searches; waterboarding, which simulates drowning; and "walling," in which prisoners were slammed against walls, a move their lawyers allege sometimes left them with traumatic brain injuries."
https://www.npr.org/2019/11/14/778944195/a-legacy-of-torture-is-preventing-trials-at-guant-namo