More than 50 years ago, seven young women were murdered in terrifyingly grim circumstances - and, if it hadn't been for the author, there would have been an eighth. To this day, the real figure behind these murders has remained a mystery. Now, Michael Litchfield - one of the most senior members of the Murder Squad - reveals the true identity of the murderer. A familiar face, a revered celebrity and a beloved national treasure: an elaborate facade covered up Freddie Mills' hidden identity as a cold-hearted serial killer.