I started asking them if they were US citizens, and that gets a lot to hang up, and if they said yes, I would say, “are you here legally? Because you don’t have to work in a fraudulent business, you can go out and get a real job.” I also ask, “are you being held against your will and being forced to make these calls? Do you need help?” Boy, they hang up fast and it has done away with a good number of those.
A guy I worked with years ago was old school: “I’m naked, what are you wearing?”
click.