You need witnesses and a complaint to the police. In short, you need evidence. Don't get me wrong, I hate drug (death)-dealing scum; but you have to follow due process.
Maybe she's after some christmas money? after all it is that time of year and people like this driver do things like this so that they can have the finer things in life at the cost of other innocent drivers
Dumb slag parks on double yellow lines on Squire lane