If a would be victim is hesitant to “follow orders” (go to bank), a fake “local sheriff calls”
At least two names they use: Mean Marshall and Nate Shaw. They use Nate Shaw for Canada scams too.
In these videos Indian "Heman Marshall" calls as Texas sheriff towards the end.
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https://soundcloud.com/nigella-blum/ssaericshawhemanmarshalla
https://soundcloud.com/nigella-blum/ssaericshawbenmorganhemanmarshallb
https://soundcloud.com/nigella-blum/ssaericshawhemanmarshallc