until it spilled out into the open. there is a potential question for the ethics committee. a lot for the investigators to chew on, anderson. >> carol, i appreciate the work you and your colleagues have done, joe, you as well. drew griffin's search for the women in question has been attempts to meet face to face with a shadowy tipster. >> this story is from an anonymous e-mailer who is selectively pushing out these tips. you and your producer got one of these e-mails. >> we got a cryptic e-mail. from a p. williams. we were able to take the i.p. address and tracted it down to santa domingo. we would like to find you. we would like to see what evidence you have that can back up any of these claims. that is what brought us to the dominican republic. >> and the story from there you