Back at the factory, the Prefectural Police break into the back entrance to find the two suspects hiding there. They're worried that the virus has spread throughout the factory and that someone has been infected. They run some tests on the powder they found, and they conclude that it's mineral silica, which can't be reproduced inside the body. They don't know if it was the shot that killed the factory worker, but they're sure that it wasn't a shot fired by a factory employee. They also decide that the powder was probably released from the stand under which Hirokazu was shot, and that it probably came from the cultured cells in the cell. They decide to do more tests to see if the powder is indeed a virus, but first they need to figure out if the shot was fired by someone under the stand, or if it came from some other source. They want to make sure that no one else in the factory is infected by the same thing, and if so, they'll have to punish whoever was responsible for the murder. The Prefectural Office tells the police that they've found the powder in the back of the vehicle and that they think it was mineral silica. They think that it must have come from some cultured cells that have been frozen and dried in a solution, so it must be a human-made substance. They plan to do some more tests on it, and then decide whether or not it was a gunshot or a virus. They tell the police to go back to the factory immediately, and to be on the lookout for Hiro