Alderney, a tiny island in the English Channel, is the site of one of the darkest and most mysterious chapters in World War II. Given the sinister codename 'Adolf Island', Alderney became a preoccupation for Hitler and was transformed into one of the most heavily fortified places on earth. Away from prying eyes, the Nazis also established a concentration camp, the only one on British soil, amid the idyllic scenery of woodlands and silver sand beaches. But how many people were murdered there and ...