please come forth and say something. what would i say to him? i would look the man in the face i would say how could you not be responsible for her? how could you not check on her at night? how could you not do that? >> heather: police say they have received about 500 tips so far. >> gregg: a u.s. soldier facing federal charges now for allegedly trying to bring explosives on board a plane. f.b.i. identifying that suspect, 30-year-old troy atwater. they stopped him yesterday morning at midland international airport in texas discovering explosives in military grade wrapping inside his carry-on bag. what he and his family had been visiting relatives and was on his way back to his base in north carolina. he will be arraigned on tuesday. >> heather: arm robbers killing an off-duty federal agent in