FBI warns of scammers using in-person tactics | The Hill

"The US Government and legitimate businesses will never request you purchase gold or other precious metals," the FBI said. 

The FBI said that to avoid such crimes, people should protect their personal information, avoid clicking on links in texts/emails or on unsolicited pop-ups, never download software at the request of someone unknown, not allow others access to a personal computer and not contact phone numbers provided in pop-ups or texts/emails...

https://thehill.com/policy/technology/4442141-fbi-warns-of-scammers-using-in-person-tactics/