There is ammo in the side rooms ( including, which includes a few emp nadesEMP grenades. You can chunkchuck either Fire Extinguishersfire extinguishers, Exploding Barrelsexploding barrels, or Green Gas Canistersgas canisters in his face to stun him. Emp nadeEMP grenade him, then unload your best weapon as close as possible... ifIf he grabs uyou and you are quick..., after he picks uyou up and pulls his gun out uyou can move to the right... tried, but not the left, doesntit doesn't work.