The Shadow Dossier — The Ring Inside a Suburban London House
In the late 1950s, a senior officer in Polish intelligence began secretly sending letters to Western intelligence services. He signed himself Sniper. He was Michał Goleniewski, and among the information he offered was a warning that the Soviet Union had a source inside the British naval establishment, someone with access to secrets about submarine detection and underwater weapons.
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.