In Kentucky, the police officer generally does not do a very thorough investigation of the accident. That is why it is important for you to collect names and phone numbers at the accident scene. A prompt call to a lawyers should result in that lawyer hiring an investigator to obtain statements from the witnesses. The police look at car accidents as civil matters not criminal unless, of course, someone is killed then they will do a full reconstruction of the accident.
Let me help you through this difficult process.