That's assuming they're wiretapped. For corporate comms, just remember that email is discoverable while video calls typically aren't even retained. Be as explicit as you want, especially if you can rope a lawyer into the call and claim it's privileged.

> Mobsters have it down to an art

Non-mobsters aren’t always as careful. There is a good chance these guys just weren’t properly investigated.

A good fictional example of this I often think of: https://www.youtube.com/watch?v=TH5j9RHCBpM