>> natasha chen, thank you. the parents of the accused school shooter in michigan are still missing after prosecutors charged them with involuntary manslaughter in this week's high school tragedy. we'll go live with the latest on the search. stay with us. don't just put on a light show—be the light show. make your nights anything but silent. and ride in a sleigh that really slays. because in a cadillac, tradition is yours to define. so visit a cadillac showroom, and start celebrating today. ♪ ♪ as a professional bull-rider i'm used to taking chances.