This textbook explores the foundational principles and practical applications of criminal investigation. The fifth edition focuses on applied learning, utilizing case studies and real-life legal decisions to teach students how to establish reasonable grounds. It covers essential investigative procedures, including witness interviewing, suspect questioning, crime scene preservation, and the interpretation of physical evidence, making it suitable for police foundations programs.

This text is designed as an accessible resource for students in Police Foundations programs, particularly for courses on Interviewing and Evidence. Its emphasis on applied learning through case studies and legal precedent aims to provide a practical understanding of criminal investigation procedures. The content focuses on the core skills required to build a case, from initial scene assessment to evidence interpretation.