Answer:
In Paris but not in France, the thinnest of its siblings.
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
What is that which, though black itself, enlightens the world without burning?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.