When our forefathers were amending the constitution for the fifth time, they probably didn't have TrueCrypt-locked hard drives in mind. However, a ruling from the 11th Circuit Appeals Court has upheld the right of an anonymous testifier to not forcibly decrypt their data. The case relates to a Jon Doe giving evidence in exchange for immunity. The protection afforded to them under this case wouldn't extend to any other incriminating data that might be found, and as such Doe felt this could lead to violation of the fifth amendment. The validity of the prosecution's demands for the data decryption lies in what they already know, and how they knew it -- to prevent acting on hopeful hunches. The prosecutors we
