Visible crew/equipment: In the scene where Kevin lights the rope on fire, he turns to run away. Watch the window he passes, there is a crew member standing there with his arms folded watching.
Visible crew/equipment: As Tim Curry exits the lift to secretly search Kevin's room, at the bottom right hand corner a shadow that looks like a hand appears on the wall to the left of the lift, inconsistent with the movements of him exiting the lift. You have to be quick, as it appears on widescreen as the shot moves away from the lift doors.
Answer: He's heading back to the hotel most likely to apologize for spending such a huge amount.