Quote Originally Posted by blue matt View Post
in respect to this

one of the reporters has just said to Teresa May that one of the attackers from Saturday was on a Documentary ( he might have said BBC ?? ? ) on TV last year waving a IS Flag around in a London park, I understand " freedom of speech " yada yada yada but this must point to another attack by someone known to the authorities

I guess even if they are reported, the report ends up on the right desk and put on " the watch list " they are still free to do what they want
But what could they have done with a man they'd seen waving an ISIS flag that would have stopped him driving a van into people and then stabbing others?