How much of this is actually to "catch" terrorists? Its mostly for surveillance, intimidation, suppression. Usually it's the state that defines who a terrorist is, and usually terrorists are ALL people opposing the current regime.
Case in point - in the UK you can currently be put into prison for a long stretch under terrorism charges for holding up a sign with just 4 words.
Case in point - in the UK you can currently be put into prison for a long stretch under terrorism charges for holding up a sign with just 4 words.