Photographs can also be helpful to the court, provided they fairly represent the situation that existed at the time of the alleged infraction. You should be prepared to state when and where the photograph was taken. Unless you are offering the testimony of an expert, witnesses must base their testimony on their personal knowledge of the incident. If you think that a witness may be reluctant to appear, you have the right to obtain a subpoena to compel his or her attendance at trial. Oral or written statements of people who are not in the courtroom are considered hearsay evidence.
Hearsay can include letters or affidavits of any witnesses.
Most hearsay evidence cannot be considered by a judge. If you wish to present evidence from witnesses, you should arrange to have them present in the courtroom for your trial. Trial Tips 1. Do not argue with the officer. The purpose of the trial is to present evidence to the judge, not to the citing officer.