Which opened just in time for them to cruise through. I'd hung back too far, and the door had already started to close again as I scooted under. The metal roof echoed back the thudding of the Viking's engine until it sounded like a .50-cal machine gun on full-auto. Slowly, the lead bikes rolled across the open warehouse floor and into what looked like a low alcove in the far wall. I followed and cut my engine as Kat gave me a slash-across-the-throat kill signal. For a few seconds my ears still rang with the concussion of the Honda's big engine.