Quote Originally Posted by nikvoodoo View Post
I haven't seen anyone else touch on this, but I think she was saying Goodbye Old Man. Burt was the last person to talk to the Mallers over the radio. Seems like that would be the person she was talking to was the last person to talk to her.
You are probably right, I forgot about Burt taking the radio. It doesn't completely rule out the possibility of what I said. However, if you are right it is more evidence towards the mallers having taken Burt, because thats another time that she refers to him as old man, which is what is said after the credits.