The Detective Investigator Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: evaluating information and evidence; investigative techniques and criminalistics; state laws; understanding and interpreting written material; preparing written material in a police setting; and more. | Detective Investigator (c-1247) by National Learning Corporation, Paperback | Indigo Chapters