Coincidentally the manuscripts turned out to be high quality Victorian forgeries by The Spanish Forger. Some contend that the Lirey shroud was the work of a confessed forger and murderer. He also acquires a set of forged French identity papers from a professional forger. Other investigations suggest that the hoax involved accomplices rather than a single forger. Virgil claims is the work of famed 16th-century inventor and forger Vaucanson. He also works for the French secret service as a forger and fixer. Mansel who Tunstall described as the master forger of WWII. Robert, former Israeli soldier and "cleaner" Carl, and Danish document forger Hans. David is living in a state of semi-slavery, working for a forger of antiquities. Heidemann had pocketed the rest, defrauding both his employer and the forger in the process. William is reprimanded for not discovering the true Sphinx forger. To detect the work of a skilled forger, investigators must rely on other methods. He teams up with a master art forger, the Major, and travels to Alpine, Texas. One of his first cases involved the trial of the infamous forger Monroe Edwards. After returning to Ibiza, Irving became friendly with Hungarian art forger Elmyr de Hory.