I play along. Meanwhile, I've gone to a command prompt and typed: "ping fbi.gov". When they ask for an IP address to attempt to log on to my computer, I provide the one I got from running the command above. The conversation generally goes like this:
Scammer: "I am going to attempt to log on to your computer now. Do you see a window popping up asking for permission?"
Me: "Yes, I see the window.....oh no! It just disappeared. Can you try again?"
Scammer: "Okay do you see the window now?"
Me: "It just popped up......and it went away again."
Scammer: "Okay. I'm going to try again..."
At some point, they suddenly hang up on me.