<P> A person against which exist plausible causes of suspicion can be interrogated as an ordinary witness in criminal proceedings against another person . However, in this case according to § 55 StPO, the witness can refuse to answer questions which could incriminate themselves (or one of their relatives). The suspicious witness also must be cautioned about the right to remain silent . Suspicious witnesses cannot be heard under oath . </P> <P> The right to silence is protected according to common law . The "Rules and Directions for the Questioning of Suspects and the Taking of Statements" (Rules and Directions), promulgated by the then Secretary for Security in 1992, stipulate that the caution to be used to remind a suspect of his right to remain silent when he is questioned . The statement can be read in English and Cantonese: </P> <P> English:' ' You are not obliged to say anything unless you wish to do so but what you say may be put into writing and given in evidence . </P> <P> This is the same caution given in England and Wales Prior to the passage of the Criminal Justice and Public Order Act 1994 . </P>

Which amendment gives you the right to a fair trial if you are accused of a crime