Todd was moronic enough to break the window without a plan, and the trap inside spotted him. It shot him with a bolt.

We decided to deactivate the sensor so we could get inside. When I hit it with an arrow in return, it had two self-defense mechanisms. It dropped explosives with timers, and the bolt that hit Todd dropped something that released tear gas.

That's why half the office is destroyed.

[He frowns.] The machine went back under the store or the ground. The opening is so flush you can't tell it is supposed to even open.