Step 1) eat a spicy middle eastern meal. Preferably one rich in spices of curry, fenugreek and cumin. Step 2) take a shit in a plastic grocery bag. Step 3) sneak up behind the unsuspecting victim. Step 4) Slam the bag of shit over their head while yelling "Jihad to the infidels".
Terrance the rogue U.S. Marine took matters into is own hands by removing the headwear of the Taliban member and replacing with a Rusty Turban