Dilbert says to Dogbert, "I've received death threats because of my new patent. So I augmented our home security system." Dilbert continues, "The sidewalk is rigged to give an electric shock, thus disarming the intruder. Then a spring catapults him to the city landfill." Outside, someone screams. Dilbert and Dogbert look out the window and see several envelopes falling onto the sidewalk. Dogbert says, "The mail is here."