Convicted Aryan Brotherhood Bosses Used 400 Year Old Crypto

After a five month trial and two weeks of deliberation, a jury in Santa Ana has convicted two leaders of the Aryan Brotherhood prison gang of racketeering and murder. Barry The Baron Mills and Tyler and The Hulk Bingham were found guilty of ordering attacks on black inmates from maximum security cellblocks, and are now eligible for the death penalty. How did they order hits from within such high-security cells? With 400-year-old crypto, and invisible ink made from urine — via Boingboing