on it, her father would discover a mysterious text from a stranger and who was it and could he lead them to kenya. here again is keith morrison. >> april 1st, 2011, dawn in denver, colorado, bright, springlike and for the friends of 19-year-old kenya monge, terrified. >> i just kept calling her and calling her. we were all worried and scared. >> where was she? kenya was supposed to have met her friends in a downtown bar tonight before and didn't show. and now she did not answer her phone, and not like kenya, not at all. >> we didn't know what happened and nobody knew nothing. kenya's friends truly frightened now kept texting, calling. but not a single lead turned up, no tips, no clues and no kenya.