It won't matter nor make a difference.
You put a minimum threshold of X on what triggers Official Notice, & they'll just make sure it never gets above X-1. It doesn't matter what amount X might be, if they never hit it then you'll never twig to the fact that they're fucking with the system.
Just stuff them aboard a "B Ark" and launch them into space. It won't matter where, the ship will be programmed to crash land & negate any chance of return.
Of course that may mean the REST of us are wiped out by a telephone-based plague, but at least we won't have to deal with tax cheats, telemarketers, insurance premium adjusters, used car salesmen, or anyone from Human Resources ever again...
I'll get my coat, it's the one with a copy of the HHGTTG in the pocket.
(Edited to restore the Title. For some reason it lost half of it.)