cAN i BE SUED FOR A COMMENT MADE "PETE ABUSED AN EX GIRLFRIEND" THAT WAS SENT IN A PRIVATE MESSAGE . tHIS PERSON THEN SHOWED THE MESSAGE TO PETE AND HIS PARENTS WHO ARE NOW THREATTENING TO SUE FOR LIBEL AND SLANDER
It wasn't a private message. Once you put something out into the internet or other communication medium, it becomes public. Yes you can be sued. Yes, you do have something to worry about.
Truth is an absolute defense to any defamation action.