How to Kill the Flamethrower Boss Zombie in WW2 Nazi Zombies (Best Strategy) 

Simple tutorial on how to defeat the Brenner Zombie (Flamethrower Boss Zombie) in WW2 Nazi Zombies The Final Reich.
This is the easiest and best way known so far to deal with the Brenner Zombie. He spawns once every 5 waves.
I show an example where I kill the Brenner Zombie on wave 92 in about 10 seconds using this method.