from sexual assault one night in his apartment. she writes for vanity fair, when doing actor lines and he gave her a drink and she said she knew she had been drugs an drugged good. lisa bloom is out front tonight. beverly johnson is known to many americans and iconic. is the fact that she is coming forward when so many already has, is this something thatsy game-changer or not? >> reporter: oh, i certainly think it is. like janice dickinson, someone we know and we've seen on television is making allegations, it is like one of our friends is coming forward. at this point there is over two dozen woman who have come forward. if even half of them are telling the truth, bill cosby is a serial sexual predator and i think beverly johnson's story is