The falsification of documents, forgery, and counterfeiting are types of fraud. Producing or using counterfeit money is a form of fraud or forgery. These relate to offences involving forgery or fraud in respect of an identity card. McKay was imprisoned for fraud and forgery. This is related to diploma fraud, which is the forgery of school or university diplomas. Oxycodone is diverted through doctor shopping, prescription forgery, pharmacy theft, and overprescribing. Passport forgery and false statements were common. There is also evidence of corruption including forgery of certificates. Taitz accused the registrar of being complicit with the forgery. Any offence at common law of forgery is abolished. Critics of evolution commonly appeal to past scientific hoaxes such as the Piltdown Man forgery. The letter was dismissed as a forgery. The letter is widely dismissed as a forgery. There were initial suspicions that the disk might be an archaeological forgery. Muscarella had suspected a forgery and severed contact.