A) Small cameras which would attach to the dash are an Aldi special this week £29-95 - I have one & it`s great.
B)A journalist on our local rag encountered a truck driving dangerously recently - he made a mental note of the company & when he got home phoned them and said that neither he nor any of his friends would ever use that company again because they employed idiots as drivers. Hit them in the pocket where it hurts. Also the embarrassment of a probable bollocking by his/her boss and the derision of the office staff.