There are many tasks that must be performed to prepare a case. Litigation paralegals conduct legal research, analyze issues, and create legal research memos. Litigation paralegals also conduct factual research, gathering relevant information from a variety of resources, such as newspapers, libraries, police and fire departments, trade associations, and the media. A paralegal's investigation of all the facts is critical to determining a legal strategy and identifying the legal issue at hand. The paralegal's role involves locating, interviewing and taking witness statements. As each witness is interviewed during the investigation, a paralegal will learn the details of the case. The paralegal becomes more familiar than anyone with the facts of the case and establishes relationships with the people involved. During the interview of each witness, statements are created to document that particular witness's conclusions or opinions. The paralegal will be the first to determine the credibility of a witness. Along with the credibility and competence of the witness, the paralegal must also document any material nonverbal communication during the interview that caused the paralegal to believe that the witness is biased, biased, or providing misinformation. The witness statement exemplifies the importance of the paralegal in litigation. Even if it is a simple report of facts from