"“They said leave, and that’s what we did,” said Musbah Shaito, another uncle, as his niece, Heba, 16, cried hysterically behind him for her dead father, whose head was nearly blown off. This reporter watched as paramedics struggled to remove the dead from the van, but soon gave up, as an Israeli drone hovered overhead. “This is what we got for listening to them,” Mr. Shaito said, speaking of the Israelis."