Participation in criminal activity in association with gang

(1) A person who, whether or not he is a gang (a) carries out a gang-related activity at the direction of any gang member; (b) knowingly assists, aids or abets any gang member to carry out a gang-related (c) assists in the concealment of a gang- related activity by the gang; or (d) knowingly commits, assists, aids or abets in the carrying out of a gang-related activity at the direction of, or in concert with, or for the benefit of, the gang, or conceals or assists in the concealment of the same, commits an offence and is liable on conviction on indictment to imprisonment for a term not exceeding twenty years. (2) It is a defence for a person charged for an offence under subsection (1) (a) or (c) to prove that he did not know that any person under whose direction he acted, or whom he assisted, aided or abetted to carry out the offence, or for whom he concealed or assisted in the concealment of the offence, as the case may be, was, or might be, a gang Habouring or