A long time ago (1985) I was stopped by two police in a plain car and plain clothes. They pulled me over by shouting "Stop you f'ing w@n ker. Can you imagine who would stop when a plain car with two aggressive blokes in plain dress swear at you? No, neither can I.
They used very aggressive techniques and language and threatened me with (in this order) court, imprisonment and arrest on suspicion of damaging council property (I hit the kerb when I was pulled over).
I complained straight away to the division chief, who came round to discuss things. His tack right from the beginning was "But it's OK because you haven't been booked."
Completely missing the point about the manner of my being stopped and the way they spoke to me. It went right over his head.
I was stopped by a copper in 1988 for speeding. I had shared a pint of lager shandy with a friend.
The only thing was they showed me the speed gun with a figure on it and I asked them to prove it was my speed. They couldn't, but I knew damn well if I went to court, I would most probably lose to the police who never lie.....
I told the police this I had half a shandy and they breath tested me. It was negative. But I NEVER drove after drinking alcohol again.
In the noughties, I got arrested (yes, really!) after being followed by a copper who accused me of "going rather quickly round that bend". There followed a long convoluted conversation where I asked him what speed I should have gone round the bend at and what speed did he think I was doing?
And that really annoyed him because I implied he didn't know what speed I was doing, let alone be able to prove it. That was when he arrested me on suspicion of speeding.....!
That's when I called him an over-zealous pr!ck. He promptly threatened to arrest me under section 5, so I pointed out there was no one around to hear it save for him and as a cop, he couldn't be alarmed or distressed by bad language.
He kept me there as long as he could, checking round the motor then de-arrested me and left.