A raid on a Toronto mosque reveals a hard link to a mysterious figure known only as Scimitar. He's a legend believed to be at the center of an international network of violent jihadist and criminal enterprises stretching across the Middle East and southwest Asia--created after the collapse of a brutal dictatorial regime in Iraq. From the opium dens of Hong Kong to the dark corners of eastern Europe, and war-torn Baghdad itself, Mack Bolan and two...