CNN asks: Why would you kill a grandmother?

Sara Khreis replays the last day she spent with her mother over and over in her mind.

Their family had spent weeks agonizing over whether to flee as Israeli troops moved into Gaza City’s al-Rimal neighborhood, tanks rolling past their front door and a terrifying cacophony of bombs, quadcopter drones and gunfire thundering all around them.

After two nights of bombardment so intense they thought it might blow their home apart, they were resolved: they had to go.

“We woke up on November 12, the day that I will never forget my whole life. I remember every detail in it, minutes, hours, seconds,” Sara, 18, told CNN in a recent interview, holding back tears... read more...