In the worst attack here in decades. 11 americans among the dead. The stunning images. Hamas attacking by land, sea, and air, dropping out of the sky on paragliders and opening fire on a Music Festival. 260 people massacred there. The new drone images revealing the scope of destruction. Hamas now threatening to kill hostages after kidnapping more than 100. The white house now warning americans are likely among them. The horrifying videos. A woman ripped away from her boyfriend. A 12yearold boy taken away by hamas gunmen. We spoke with his family. You keep coming back to the video . Its something that no parent, no human can ever imagine, to see a child in the hands of terrorists. The desperate race to save the abducted. Israel calling up 300,000 reservists. Is a Ground Offensive coming . Our Richard Engel near the gaza border taking cover under fire. He joins us tonight. And President Biden huddling with advisers as the u. S. Moves a strike group closer to israel. The growing questions