Robert Lowerty News Today

>> two little girl, cousins, vanished without a trace after being gone for more than a week. one of their mothers is no longer fully cooperating with police. robert lowerty is the director of the national center for missing and exploited children and joins us from austin this morning. good morning to you, robert. >> good morning. >> so robert, its so hopeful that you think that these two cousins are alive. what are some of the reasons that you think that they are ok, perhaps? >> well, we dont kn...