I was really surprised when I discovered this. Intentionally lying to a federal agent about anything material is grounds for criminal charges. Technically even

I was really surprised when I discovered this. Intentionally lying to a federal agent about anything material is grounds for criminal charges. Technically even a postal inspector. The police can lie to you all they want, but if you lie to a FBI agent in a line of questioning, it's not covered under the 1st amendment. It's not considered freedom of speech.