I used to think that the FBI challenge on cryptanalysis... was more fiction than fact until I came across this page:
This page shows this year's (?) cryptic message that the FBI challenges folks to break :). It seems this is the 'round two' :)
Do give it a shot, break the code - if you're into this kinda stuff. Click here for a primer.
(Makes me wonder if and when Indian agencies too would put up stuff like this)