Refreshingly...
Went into a local Police Station after a bad "left hook", showed the Officer the video on the IPad, and....................
They were really impressed, reckoned it made the case unequivocal, they asked me to fill out a formal complaint, add the video as a CD, and they will be taking action on the strength of the video evidence and statement.
We then had a chat about the technicalities, the wisdom of the One Show describing it as being a "weapon in a war between cyclists and motorists" and left on very congenial terms