RE: Is it illegal to insult someone?
You need to know about this amendment to the Public Order Act 1986 which protects free speech in the interpretation of sections 4,4A and 5:
"Protection of freedom of expression
Nothing in this Part shall be read or given effect in a way which prohibits or restricts discussion, criticism or expressions of antipathy, dislike, ridicule, insult or abuse of particular religions or the beliefs or practices of their adherents, or of any other belief system or the beliefs or practices of its adherents, or proselytising or urging adherents of a different religion or belief system to cease practising their religion or belief system.]...".
http://www.legislation.gov.uk/ukpga/1986/64/section/29J
The constable and the barrister need re-traing.
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