The name of Amanda Todd became synonymous with cyber-bullying and loss after the B.C. teenager committed suicide. Mark Kelley of the fifth estate reveals the never before told story of her accused online stalker, the global police hunt for him and troubling questions about why the suspect wasn't stopped before Amanda took her own life. For more on the fifth estate : www.cbc.ca/fifth Follow us on Twitter : www.twitter.com/cbcfifth Like us on Facebook : www.facebook.com/thefifthestate