The broadcaster spent time inside the Terrorism Confinement Center (Cecot) in El Salvador, where suspected gang members sit in metal bunks stacked four beds high in concrete cells.
Standing a few feet away from the cage holding 100 perpetrators of savagery - one of 32 mass cells that line Module 8 in the Terrorism Confinement Centre - is a deeply unnerving experience.
TV presenter Richard Madeley has visited the world's toughest prison in El Salvador where 3,000 shaven-headed inmates are crammed behind floor-to-ceiling bars with nothing to do.
FBI Director Kash Patel and Sen. Chris Van Hollen sparred during a tense Senate hearing after Van Hollen raised allegations from The Atlantic and Patel fired back over the senator's controversial 2025 El Salvador trip.