1) Go commit some atrocity.
2) Then, if you have been previously placed on some list, this is when you will find out.
There is no way to find out if you are on the list. There is no way to find out how you get on the list. There is no way to get off the list.
Which List? which list? … (echoing)
(Inspired by the story of senseless and unproductive murders perpetrated in Westminister, London. He had been on a list since 2010.
As a jihadist bomber (not) who wielded both cars and knives to kill civilians without a planned meeting point, surely the CIA, MI6 and others would long have had an interest in this threat to pedestrians on Westminster Bridge, and perhaps the entire nation itself.)