People who are not familiar with technological developments will certainly be afraid when they receive threatening emails, especially when the fraudsters include pictures of the house and the complete address of their potential victims.
In my opinion, if you use email, it means you are not fully blind to technology, because usually email will also be used for other things in the online world such as for registration of social media accounts and so on, especially for people who are finally fooled by sending money in the form of bitcoin to fraudsters this means that he understands or knows about Bitcoin, it's just that fear makes him unable to think well.
It is unfortunate for those who are deceived they should be able to ask those closest to this so they don't fall into this fraud
There needs to be public service announcements distributed through social media, print media and other electronic media to educate the public so that they do not panic easily when facing a situation like this. Contacting the police department is also a smart move to get help and support.
Usually public services will socialize about this form of fraud after there are victims.