A Scammer's Hostage is a book where a woman is contacted by this man proclaiming to be FBI and informs her that she was in contact with a scammer. He told her she had to work for him to catch scammers or go to prison. She agreed to work for the man. Later she finds out the truth that he is actually a scammer and not FBI. Find out in the end if she goes to prison or not by reading the book.
