Additionally, don't make a complaint about the police unless you fully understand what you are getting yourself into. There is a reasonable chance that they will harass you and your family until they can find some reason to arrest you (or they may just arrest you for no reason).

http://www.theguardian.com/uk/2013/may/11/police-vendetta-la...

A defence solicitor who was awarded £550,000 in damages from a police force after he was wrongly arrested says officers mounted a vendetta against him after one of his clients was acquitted.

James Watson said Cleveland police officers spent three years pursuing him, costing millions of pounds, without finding any evidence against him, before admitting a series of mistakes.