Girl posing online as Beth may not even be who she says she is or if she's even a girl. She posts her age here on ijn is 18, then in an offline conversation tells me 17 shortly after she sends a topless photo and then I get a phone call from a guy claiming to be your dad who tries to extort me so I advise anyone chatting with her to drop it like a red hot potato I guess I need to say this all over again because the blog has to be 500 words or more so I'm just going to say Beth with an…