In the criminal underbelly, Roberta Paisley Wilcox, known as Sixx, stands as a formidable presence. A female anarchist, terrorist, and skilled mass killer, Sixx has etched her name in the annals of violence with the deadliest massacre in UK history - the Tower Bridge Massacre, which left 58 victims in its wake. Sixx's ruthless nature and expertise with a rifle have earned her a spot in shadowy, professional murderous groups, making her a feared and dangerous adversary to law enforcement. The world holds its breath as more of her crimes come to light.