Pick of the week
Codename Badger
A true-crime investigation into the supposed secret double life of British army major Robbie Mills. After Mills died in 1955, apparently from an accident on a submarine, a man called John Cotell turned up at his home claiming to be a friend of his – and a fellow spy. Journalist Eugene Henderson tells the troubling tale of Cottell, who rapidly insinuated his way into the Mills family’s lives. Alexi Duggins
Widely available, episodes weekly
