Just make sure your computer is off when the fuzz comes. Commercial software is now available to steal TrueCrypt keys from RAM, and while it may not work as well as advertised, the best defense is a turned off computer. BTW, people on this forum roundly dismissed the ElcomSoft program, but Bruce Schneier and his commenters were more concerned. https://www.schneier.com/blog/archives/2012/12/breaking_hard-d.html