" The number 88. That was the numerical equivalent (the eighth letter of the alphabet being H) of “Heil Hitler.” Then the shamrock and the swastika, taken together, was often the mark of the Aryan Brotherhood. The Blood Drop Cross, which was the primary insignia of the KKK and known by the acronym MIOAK, meaning “mystic insignia of a Klansman.” And the initials KI, which might refer to another hate group, though Decker didn’t recognize them. Still, there were some Decker had had to Google. The Aryan Terror Brigade symbol, and Weiss Macht, which was German for “white power.” The sonnenrad, which was an ancient Indo-European sun-wheel and had been co-opted by the Nazis, who had placed the swastika dead center. Then there were the SS bolts, another Nazi symbol, and the triangular Klan symbol, which looked like three triangles within a triangle, but upon "

― David Baldacci , Redemption (Amos Decker, #5)