Learn what discovery is and its importance in legal proceedings. We'll walk you through the different steps and types of evidence that make up this process.It can be tricky to navigate the vast Cook County court system. The Chicago litigation attorneys at Smoler Law can help. First, compile a cast of characters. This is just a document that will list the names, contact information, job title, if the person is friendly or adverse. Discovery is used to gather information from another party in your case. Learn how and when to use it. Searching for automobile accident attorney in Chicago? The discovery process begins with an indepth interview.