Criminal investigators have a long list of duties. They must identify and secure a crime scene, conduct interviews of witnesses and victims, interrogate suspects, identify and properly collect evidence, and establish and maintain a chain of custody. Once an investigation is underway, the criminal investigator must demonstrate thorough knowledge of investigative techniques for misdemeanors or felonies and for violent or nonviolent crimes. The criminal investigator must also accurately and unbiasedly document each step in the investigative process as well as be proficient at testifying in a trial.The Certified Criminal Investigator Body of Knowledge prepares candidates for the Certified Criminal Investigator, CCI program, the first open source, peer-reviewed credential in the world. The program sets standards for criminal investigation in a time when certification for investigators is crucial to filling gaps in the field. This book covers all aspects of the criminal investigation process to enable candidates to meet the requirements of the program. It reviews the history and development of forensic studies, ethical behavior of the investigator, evidence collection and preservation, investigation management, and courtroom demeanor and testimony.Fulfilling a need for standardization of knowledge and competency in criminal investigation education, The Certified Criminal Investigator Body of Knowledge provides a thorough resource for the candidate preparing to become a criminal investigator. It also serves as a handy reference for the professional working through an investigation.