Or anyone entering the UK; try this

BestCrypt has a system wherein you can hide a container within a container; nobody but you knows if there is a hidden container. Create a container and fill it with borderline stuff: girls who have just turned legal age, for example. Hide your sensitive files in another container which is hidden inside of that one. If the authorities ask for a password, give them the password to the innocuous container; there is no way for them to know if that is all there is. I've been in and out of the UK frequently since that law was enacted; no problems