Re: It will be interesting when the 1st similar case happens in the UK what the police reaction is
Just watch what you say as they record audio which might not be a great thing for you in some cases.
Few years back I had BT in the car (still do), and had a, well lets just say "annoying customer" call.
After the call they hung up, I also pressed the red hang-up button. But somehow was still connected. I'll let your imagination to the rest as it still embarrasses me what I apparently (and believe probably) said.
Today, if I feel a moment of PTSD-like 'wanting to say what I feel about someone', I make sure I have stopped and moved away from microphones, just in case. Anyone who knows me would understand, anyone who doesn't would have the AOS on my arse in a heartbeat.