PD 51 Martial Law?
Bad Guys > Government/Legal > Federal Government
PD 51 is a presidential directive signed by George Bush in 2007. It basically suspends the Constitution in the event of catastrophic disaster.
National Security and Homeland Security Presidential Directive (National Security Presidential Directive NSPD 51/Homeland Security Presidential Directive HSPD-20 - click here for an overview on Wikipedia
Here is a review by the Daily Kos
Here is review (video)
PD 51 can be catastrophic if initiated by the Federal Government.