Offensive Weapons Chris Grayling To ask the Secretary of State for the Home Department how many (a) new and (b) amended powers relating to the possession of a concealed weapon have been created by legislation sponsored by his Department since 1997. Alan Johnson The law relating to the criminal use of both offensive weapons and firearms has been strengthened in a number of areas since 1997. The changes to the law do not make a distinction between concealed and non-concealed weapons.