Dear 100 Hour Board,
If someone shows up at my door saying they're the police or the FBI, how do I know if they and their badge are legit and not a ruse?
Everywhere I looked said to keep the door closed, ask for their name and identification, and call your local police station or FBI office. Police stations and FBI offices don't want people impersonating officers or agents and will gladly confirm whether or not said person actually works for them. If you want to learn how to spot a fake badge, Google can help--but it sounds like calling would be the most straightforward option.