315A   Threatening or intimidating victims or witnesses

(1)  A person who threatens to do or cause, or who does or causes, any injury or detriment to any other person intending to influence any person not to bring material information about an indictable offence to the attention of a police officer or other appropriate authority is liable to imprisonment for 7 years.

(2)  In this section:

material information means information that a person has that might be of material assistance in securing the apprehension of a person who has committed an indictable offence, or the prosecution or conviction of any such person.