BloodyRubbish84

a few boys having fun while locking up for the night

Don't get freaked out by the shadow people like I did. Break one of the locked doors entering where the detonator is and stay cornered facing where you entered from. Toussaint should enter behind you from the noise and you can get a second easy shot to end the fight and acquire the shotgun for the final boss fight.

When you drop into the tunnels, slowly make your way to the hallway across the room but don't enter until after Toussaint fires at the rat. Toussaint should be to the right side for you to get the 1st pistol shot on him.

Ground work in the winter