That is the wrong group of people to mess with.
https://www.npr.org/2020/11/30/938902523/irs-says-its-own-error-sent-1-200-stimulus-checks-to-non-americans-overseas
https://www.npr.org/2020/11/30/938902523/irs-says-its-own-error-sent-1-200-stimulus-checks-to-non-americans-overseas