Well I think....
They just go back to the station at shift end and pretend to do a bit overtime on paperwork, DL the footage and look at the boobs and bums they've filmed that day.
Not completely off topic! If you like aircraft, remember this one?
http://www.walesonline.co.uk/news/wales-news/cameraman-filming-low-flying-planes-11250076
Gets a surprise, love the way the props seem to be moving so slow and he didn't film her for very long, must be a gent.
I have thought on this subject and my dashcam has recorded children crossing the road, I mean where do you stand? It's set up for a new record over unless I have an accident, IDK.