[JohnLeTigre]

Of course, but they have the right to know what you are bringing in, this can involve searching people, it's a practical necessity.

Try entering your country with a piece of nuclear grade uranium.

[LordWinstanley]

I know some people's online comments are pretty toxic, but I'm struggling to think of a scenario whereby a Twitter stream or Facebook timeline could be used to make a 'dirty bomb' --and I'm not having much luck.

Could you help me out here?

[JohnLeTigre]

I'm sure you are aware that their justification is to help determine if people are linked to dangerous groups or not.

Personally I wouldn't go that far but still, my point is that: not being searched at the border is a priviledge, not a right.