Three rivalling scammers fighting over the same victim (who's actually trolling them).

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Start at 22 minutes in.

Old lady "Edna" got calls from indian call-centers that her computer is broken and that they offer her a refund.

After wasting 2 hours of the first scammer's time, two more scammers call "Edna" and ask her to hang up on these other guys because they are cheats.

The second and third scammer eventually give up, but the first one just won't stop.