"Well comms could be as simple as a hanging phone call. Mute the line so there's no chance of sound coming through and put it on speaker phone and we can hear what the girl says without fear of any sounds from the van giving it away. We can even come up with a code word for if subtly fails. And I don't have a anything close to a badge to go along with the dirty cop routine, though a gun certainly stops many from doubting."
He then looked at Avis. "But you're right, let's take this one step at a time."