Flood them with phosgene, chlorine, or mustard gas…
Flood them with gasoline and light it…
Flood them with seawater and sharks…
Bible, Israel, War from Nehemia and Lynell Gordon. They recount their stressful period in Israel and a harrowing, midnight run for the border!
https://www.youtube.com/watch?v=JKJ2pymH_g4
...with frickin' lasers on their heads.