“…sal. The fact that it is applied in novel circumstances, for example to the punishment of a witness after he had given evidence (Attorney-General v Butterworth [1963] 1 QB 696) is not a case of widening its application. It is merely a new example of its application. In that case, as here, the trial judge, Mocatta J, relied upon the f…”
“…o threaten or interfere with a witness in order to deter them from giving evidence or in order to persuade them to change their evidence: see A-G v Butterworth [1963] 1 QB 696.…”