This is a good reminder that we all need to have a "safe word" that we can use to verify to the important people in our life that the voice they may be hearing on the phone or elsewhere is really us. Get a panicky call from "me" in the middle of the night? If I don't include my safe word, that call isn't from me.
That scam was popular here in Argentina a few years ago. We call it "virtual kidnaping" https://www.fbi.gov/news/stories/virtual-kidnapping , nobody is kidnaped, it's just a scam using a phone call. It's not very important that the voice is similar to the supposed victim. Usually the person in the call is weeping and it's very difficult to recognize the voice. Moreover a confusing voice at 2am may be interpreted as a…
He was 90% convinced that it was true, but my mother made him call me before doing anything, which saved him about $10k. She thought it was suspicious that I would have left the country without mentioning it to her.
If the person he was talking to was relatively calm and sounded like me, it might have been successful.