All major changes to criminal law up to the end of 2005 are discussed, including: The major changes brought about by the Criminal Justice (Theft and Fraud Offences) Act 2001 and the Sex Offenders Act 2001. It includes: new developments concerning the defence of provocation; new developments in the area of Mens Rea, including the decision of the House of Lords in R v. G; the likely impact of the European Convention on Human Rights; and all relevant publications from the Law Reform Commission, including their papers on Corporate Killing, Provocation and the Mens Rea of Murder.