will speak with two cosby accusers in the 7:00 hour, patricia sawyer joins us. she's one of the jane does in that sexual assault suit. and "playboy" model victoria have len tino. we do have breaking news. the mother of the so-called affluenza teenager is back in the united states after coming back from mexico. she arrived in handcuffs by two marshals. her son ethan is not back. the 18-year-old is wanted on a probation violation stemming from a drunk driving dwikz that left four people dead. >> counterterrorism officials are ramping up security in three u.s. cities on this new year's eve, after a theft warning of possible terror attacks.