Review the Safe-Mart Security Footage. When you look closely, you can see that the raccoon is taxidermy and at one point the killer’s face is peeking from underneath the raccoon watching Braxton walk by.
Dash Cam Footage - Notice when Alayna walks by the Taxidermy shop, the wolf’s head moves. It is a wolf pelt draped over the killer.
Thus, the killer dons animal skins to blend in with the environment in order to get closer to victims to inject poison.