You're hitting the nail on the head. It's circular arguments all the way down. How do we know how many criminals there are without making everyone a full-time

You're hitting the nail on the head. It's circular arguments all the way down. How do we know how many criminals there are without making everyone a full-time suspect and surveil them 24/7? in dubio pro reo is out of the window. Now we all have to prove that we're not part of <insert-criminal-activity>.