She shivered inside her jacket, skin puckered into hard bumps despite its heating elements. She ran to the first bus and cupped her hand over the glass; long rows of plastic bench seats filled the interior. She looked back; neither guard had seen her. She slid her surgically sharp knife between the doors and ran it down the rubber seal, then reached through to pull the release lever. Nothing happened; the electrical system must be off. She leaned against the doors and forced them apart enough to squeeze through, swearing as the door scraped across her new skin.