Spies, Buried Treasure, and Crypto: What More Do You Want?

Wired has a very interesting article talking about the FBI's investigation into the case of Brian Regan, who tried to sell a bunch of classified documents to foreign governments. Here is a link.

The most interesting thing that I took from the article is that either A) The NSA was unable to crack a simple Caesar Cipher (ROT25), or B) they just didn't bother to share the results with the FBI after claiming to make no progress. Honestly I don't know which option would be better...