Welcome to our forum.
If it is like our court system, being in the right has very little to do with it. The system is set to make you give up and pay the fine its easier. Lt. Dan, do you remember Judge Ann Taylor? That was one worthless human being.
A "Police representative"? This sounds like a violation of constitutional rights in terms of being able to confront (wrong word I know) your accuser (do they ask you to waive this right before the hearing?).
I got a speeding ticket for $74 last year. It was my first ticket in over a decade. I went to the hearing and told my story to the judge, about how I didn't have any points on my license, I'm a good driver, etc. He waived the fine but charged me $74 in court costs - which, he was quick to point out, is exactly how much I would have paid if I would have just mailed in a check. So, fighting it works, as long as you're not in central Ohio & get Judge Irony...