7NEWS Spotlight Inside El Salvador's mega-prison at the centre of Trump's immigration crackdown. Plus, new witnesses come forward in the tragic death of Amy Wensley. 2026-08-14 Spotlight investigates how artificial intelligence is really created, meeting hidden workers who say they’re exploited by big tech, and exposing a major Australian company with questions to answer. 2026-08-14 Spotlight profiles Brenda Blethyn who plays TV detective Vera Stanhope and investigates the biggest currency heist in history with a former Australian fighter pilot in the middle of it. 2026-08-14