It then finds a rat and infects it, creating a cockroach-rat. The rat follows the remaining Umbrella team of four outside where they leave in their HUMVEE. It then uses tentacles to infect a wounded crow, thus giving it the ability to fly and follow the U.B.C.S They stop at a manhole where Dr. Cameron's signal is strong, then Norman, Roger, and Klaus decent into the sewers, with Ed guarding the entrance and vehicle. They stop where the signal is fixed and Norman breaches the wall with explosive charges. However, they find only Dr Cameron's equipment and a rabid dog, Klaus easily killing the animal with his sidearm. Downloading data from a nearby computer, Roger then reveals to Klaus that the monster in the warehouse was Cameron, and that they only needed to recover data on her research. Kl