Evidence & Investigation The foundation of a successful claim is the evidence. This injury case evidence guide provides clear, actionable steps on how to conduct a thorough investigation, whether you are dealing with a car crash, workplace injury, or other accident. Learn what to document at the scene, the legal importance of medical records, how to handle digital evidence like social media and dashcam footage, and the role of expert witnesses in establishing fault and damages. Mastering this part of the process is essential to proving negligence and maximizing your claim.