The assassin

You decide to deactivate the alarms because you are an Assassin and are not meant to be known about. You find just what you need in your Backpack. you aim it at the Tripwires and they deactivate. You sneak past them and just as you pass them, they reactivate.
"Good fucking gadget they said. Won't fail you they said. well fuck them!" You whine and then you find a door saying Sewerage lines. Authorized Personnel Only. Any Unauthorized personnel will be shot if seen. Do not enter.