"Can't we just pick them all up, and put them into our rehab simulation rooms for treatment?"
"Yes and no. The communications are sent by shortwave radio signal and are coded. Some keyed code that either references pre-existing orders or for which the recipients have a decrypting cipher. Just a series of numbers in this case. Short wave radio can be picked up by anyone with a receiver over vast distances. Since the teams have been in place for considerable amounts of time, we can't trace them all."
"So, you said there's still time, the signal hasn't gone out yet. Let's just make sure it never does go out."