How a family were shocked by allegations about a dead dad’s double life: best podcasts of the week

Was British army major Robbie Mills leading a secret double life? Or was his post-humous accuser hoodwinking Mills’ family? A true-crime investigation finds out

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

Margo Freshwater was 18 years old when she was given a life sentence for a killing spree with her boyfriend. But she escaped prison and her family declared her dead. However, Margo had adopted a fake identity that left her undetected for 30 years – until 2002. This series tells the almost unbelievable story. Hollie Richardson

Widely available, episodes weekly