Harmony lotto prize inc scam?

My dad got a letter from this place, he called them and they said where will send you another letter I looked this up on google. http://dogofthefuture.livejournal.com/tag/death+to+scammers this is a scam I take it I want to know why would they waste $3.00 sending to the usa And it's bs. can we send this letter to the fbi or something so they can look in to it.