Depending on the circumstances, yes.
Tampering with someone else's mail is a federal offense.
Yes
Sick the cops on him, it is a federal offense to hack someone else's email.
No, you may not. It is a federal offense to open someone else's mail.
To the best of my knowledge there is NO criminal offense attached to the reading of someone else's e-mails.However, for reading someone else's US Mail - it is a Federal Offense.
Yes, tampering, hiding, removing, or opening mail not addressed to you, before it is delivered to the intended addressee, is a federal crime.
No, you can't. It is considered a federal offense to take and look at someone's mail and/or look in their box.
Yes, it is a federal offense (violation of United States Postal Regulations) to interfere with the delivery of someone else's mail.
Throwing away mail that belongs to someone else is illegal and considered mail theft. It is a federal offense that can result in fines and imprisonment. The best course of action is to return the mail to the postal service or deliver it to the correct recipient.
No , such a misrepresentation is a Federal Offense .
No, keeping someone else's mail is an offense with the US Postal Service.
Yes. Cashing a check that belongs to someone else and is written to pay someone else is a federal offense. You can be jailed for doing so. Most importantly - the bank will not cash the check because your name and identification wouldn't match the other person. Even if you happen to forge them both, police officers will catch you and force you to return the money to the person to whom the check was issued in the first place and then put you in jail