But in order for Randy to get into Tombstone and begin actually tampering with the evidence, he must now log on. If it were a poorly secured host of the type that used to be legion on the Internet, he could just exploit one of its numerous security holes and crack his way into it, so that if his activities on the machine were discovered, he could claim that it wasn’t him—just some cracker who happened to break into the machine at the very moment it was being seized by the cops. But Randy has spent the last several years of his life making machines such as this one impregnable to crackers, and he knows it’s impossible.