Any person who –

(a) with intent to pervert or obstruct the due course of justice, wilfully prevents, obstructs or dissuades another person from attending as a witness at a judicial proceeding, or from giving any evidence or producing anything to be used as evidence at a judicial proceeding; or

(b) uses, causes, inflicts, procures or threatens any violence, punishment, damage, loss or disadvantage to another person for or on account of –

(i) that other person having given evidence at a judicial proceeding or produced or surrendered any document or thing at a judicial proceeding; or

(ii) any evidence given by that other person at a judicial proceeding or any document or thing produced or surrendered by that other person at a judicial proceeding –

is guilty of a crime.

Charge:  Interfering with a witness.