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Writer's pictureCDT MONTENEGRO MARY GRACE ROM

Investigation Section

Updated: Feb 11, 2023


The PNP Investigation Section, also known as the Criminal Investigation and Detection Group (CIDG), is a unit within the Philippine National Police (PNP) that is responsible for investigating criminal cases and gathering evidence. The CIDG was created in 1951 by virtue of Republic Act No. 548, which was passed to improve the organization and administration of the police force in the Philippines. The CIDG was initially established as a small unit within the PNP, but it has grown over time to become one of the most important and prominent units within the organization. Today, the CIDG is responsible for investigating a wide range of criminal cases, including major crimes such as murder, robbery, and theft. The unit is also responsible for providing technical and operational support to other units within the PNP, as well as working closely with other law enforcement agencies and the legal system to bring criminals to justice.

The CIDG is organized into several regional and functional units, including the Regional Investigation and Detective Management Division, the Special Investigation Division, and the Anti-Organized Crime Division. These units are responsible for specific types of investigations and are staffed by detectives who are specially trained in conducting investigations and gathering evidence.


Some facts about the PNP Investigation Section include:

  • It is responsible for investigating a wide range of criminal cases, including major crimes such as murder, robbery, and theft.

  • It is staffed by detectives who are specially trained in conducting investigations and gathering evidence.

  • The CIDG uses various techniques and tools, such as forensic analysis and witness interviews, to gather information and build a case.

  • It works closely with other units within the PNP, as well as with other law enforcement agencies and the legal system, to bring criminals to justice.

  • It is organized into several regional and functional units such as Regional Investigation and Detective Management Division, Special Investigation Division, and Anti-Organized Crime Division.

  • The CIDG is responsible for providing technical and operational support to other units within the PNP.

  • It was created in 1951 by virtue of Republic Act No. 548, which was passed to improve the organization and administration of the police force in the Philippines.

  • The CIDG is a highly specialized unit with distinct training and equipment.

According to Memorandum Circular No. 2005-010, under Standardized Functional Set up for PNP Investigation and Detective Management Officers, the new Investigation Section has 5 new investigating desks to be occupied by eligible police investigators: Crimes Against Person Desk; Crimes Against Property Desk; Fraud, Economic, and Cyber Crimes Desk; Women and Children’s Concerns Desk; and General Investigation Desk. Each desk shall be headed by an eligible desk chief.


One of the main objectives of Memorandum Circular No. 2005-010 is to establish a standardized and unified system of investigation and detective management within the PNP. This includes the establishment of a clear chain of command, as well as the creation of specific roles and responsibilities for officers within the Investigation Section. The memorandum also provides guidelines for the use of specific tools and techniques for conducting investigations, such as forensic analysis and witness interviews.

The memorandum is divided into several sections, each of which focuses on a different aspect of the Investigation Section's organization and operation. The first section provides an overview of the CIDG, including its mission, vision, and functions. The second section outlines the organizational structure of the CIDG, which is divided into several regional and functional units. These units include the Regional Investigation and Detective Management Division, the Special Investigation Division, and the Anti-Organized Crime Division. The third section of the memorandum focuses on the roles and responsibilities of officers within the CIDG. This includes guidelines for the selection and training of officers, as well as the specific duties and responsibilities of officers at different levels within the organization. The fourth section provides guidelines for the use of specific tools and techniques for conducting investigations, such as forensic analysis and witness interviews.

Finally, the memorandum includes an appendix that provides detailed information on the procedures and protocols that officers within the CIDG must follow when conducting investigations. This includes guidelines for the collection, analysis, and preservation of evidence, as well as the procedures for interviewing witnesses and suspects. In summary, Memorandum Circular No. 2005-010 is an important document that provides guidance on the organization and operation of the PNP Investigation Section. It aims to establish a standardized and unified system of investigation and detective management within the PNP, by providing a clear chain of command and specific roles and responsibilities for officers within the Investigation Section. It also provides guidelines for the use of specific tools and techniques for conducting investigations, such as forensic analysis and witness interviews.

It is important to note that the PNP and the CIDG are subject to government regulations, oversight, and laws that ensure that the unit is operating within the bounds of the law and in the best interest of the citizens.

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