Friendly Advice: This is no longer the land of the free.
Remember the glowies can read your phones/posts. Dont do dumb stuff like setting calenders with reminders to "Water the tree" etc.
Keep your mouth shut and and if possible** put your devices in faraday (signal blocker bags) during travel**. Cell phones can be pinged even when off. Send out scouts for advanced warning of roadblocks.
Avoid roadblocks if at all possible, travel in groups and do not comply.
How you heard of Dust? Any good? How encrypted are these apps if you do voice dictation, does that still go out to a server?
once in DC, im sure the three letters will be monitoring trains of cell phones using GPS to guide them into DC