I think they do it by running background checks and meeting the job applicant in person. That wouldn't work very well for remote-only work that recruits people

I think they do it by running background checks and meeting the job applicant in person. That wouldn't work very well for remote-only work that recruits people from anywhere. I don't see how you could vet people with anything approaching due diligence without eating up most of your first few months worth of fees up front.