In this article, we will discuss everything you need to know about navigating New York's insurance system and when further legal action might be possible. Call the police to take an accident report and request a copy.Seek help from an experienced lawyer when filing a car accident claim in Cook County. They could get you the compensation you deserve. If you experienced a rear-end wreck, contact a dedicated Cook County rear-end collision lawyer who could identify potential compensation options. How Do You File a Personal Injury Claim in Illinois? Are you struggling with injuries after an accident in Illinois? The personal injury attorneys at Harris Cook, LLP have extensive experience in evaluating and fighting liability denials in car accidents. Check for Injuries and Call 911. In order to make a recovery for injuries sustained, a head-on car crash lawyer in Cook County must first establish fault.