He had completely re-written huge chunks of my previous experience, changed the order of things to make me look like I had experience in areas that I definitely did not, and countless other minor changes. I couldn't believe it. His native language was definitely not English, so all of his changes had horrible spelling and grammar mistakes peppered in.
In the end I got the job, but only one other person had applied besides myself and the government agency the job was for desperately needed a body to fill a seat so I was kind of hired by default. Ended up being a crazy mess of a programming shop that I brought a bit of order to before leaving.
Even if you make sure your CV is a work of art, there's no guarantee it's going to be received in that state.