If you're talking about bombs dropped in ISIS occupied areas, anyone left there probably isn't an innocent anyway. Who are they letting live? Out of those who haven't fled; they are selling the women and children, or rounding them up and taking them into the desert to shoot them, and they have beheaded the men. According to Amnesty International they have carried out ethnic cleansing on a "historic scale". Who is left that they are actually letting live? Probably those who aren't innocent.