These answers are assuming that the individuals killed were also those responsible. With Israel's stranglehold on media access to Gaza (perhaps better: open hostility), we will likely never know who was killed and what were the charges against them.
Responsible for what? In war, enemies combatants aren't slain as punishment for crimes, but simply because they're enemy combatants. Likewise prisoners of war aren't (typically) detained on suspicion of crimes, they're detained simply for being enemy combatants.
There are no trials in combat.
These answers are assuming that the individuals killed were also those responsible. With Israel's stranglehold on media access to Gaza (perhaps better: open hostility), we will likely never know who was killed and what were the charges against them.
Responsible for what? In war, enemies combatants aren't slain as punishment for crimes, but simply because they're enemy combatants. Likewise prisoners of war aren't (typically) detained on suspicion of crimes, they're detained simply for being enemy combatants.