In a nutshell, evidence is anything that proves a fact about your case. Evidence in a drunk driving accident case might include: What you remember about the accident – creating a journal is a good idea. Your recovery process. What the drunk driver remembers about the accident. What witnesses saw. What the police and emergency medical technicians saw and did at the accident scene. 911 calls. Vehicle damage. Videos of the accident. Photographs of the accident scene. Data from GPS units, phones, onboard vehicle computers, and other devices. Security camera and/or traffic camera video. Police report. Breathalyzer results. Blood test results. Urine test results. Medical bills, invoices, and other documents relating to your accident injuries. Expenses for various types of therapy. Reports from expert witnesses, including medical and investigative witnesses hired by you or the defendant (usually through your attorneys). Earnings records. Documents relating to your profession/occupation. Your drunk driving car accident lawyer will use the evidence to prove your injuries, that you should recover damages, and that the defendant should pay for the accident. If you are in a state that allows punitive damages, your attorney may use this evidence to prove the defendant's grossly negligent actions or inactions.