DUBAI: Unarmed and unaware of their impending fate, two teenage boys pushed a handcart along a Gazan street when, without warning, a shot rang out. One of the boys fell to the ground, shot in the head by an Israeli soldier with no discernible provocation. This is just one of dozens of examples of alleged war crimes committed by Israeli soldiers in Gaza revealed in a new documentary, “Breaking Ranks: Inside Israel’s War,” which features the accounts of active and former combatants turned whistleblowers. “If they walk too fast, they’re suspicious.