Or send half the message with one pigeon and half the message with another. Dual-pigeon authentication.

Maybe he could Tiguan for the team.

With the OS burned to a USB drive - is that the same as a full install from scratch? I ask because I have a MacBook Air that has wifi connectivity problems, and I’ve read that reloading the OS from scratch (not a “lay over the top” install) is the best way to ensure that all settings and .plists etc are renewed.