Gathering Evidence for Your Car Accident Case It can be confusing to be involved in a car crash. A wide range of emotions can be experienced from shock to guilt to anxiety. It is best to take a few deep breaths and try to calm yourself down. The next step is to gather as much information about the incident as you can. Gathering evidence In the aftermath of a car accident, it may be easy to forget to gather evidence. Many times, the victims are in shock and they are focused on seeking immediate medical treatment. If a victim wishes to defend t