The Environmental Conservation Investigator Passbook(R) 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: investigative techniques including such areas as interviewing, surveillance, gathering and preserving evidence, and testifying in court; evaluating information and evidence; knowledge of law dealing with arrest, evidence, search, swearing to false instruments, forgery, and other sections dealing with criminal investigation; understanding and interpreting written material; preparing written material; and other related areas.