The officially endorsed study texts for the National Investigators' Exam (NIE). Based on the bestselling Police Manuals, the Investigators' Manual provides you with the legal knowledge and syllabus requirements you need to succeed, while the Workbook offers exercises and Type A multiple-choice quest...

The officially endorsed study texts for the National Investigators' Exam (NIE). Based on the bestselling Police Manuals, the Investigators' Manual provides you with the legal knowledge and syllabus requirements you need to succeed, while the Workbook offers exercises and Type A multiple-choice questions to test your understanding.