[tjoff]

Then again, a tech savvy user that encrypts his drive and claims he/she haven't a slightest idea what the officer is talking about is probably in many cases way more suspicious. At least to an officer that is informed enough to bring that up.

[kaybe]

Depends. How closely linked are the concepts of simple encryption and plausible deniability encryption? If you start researching the topic a bit you will stumble upon both, but if, say, a friend installed it?