Police Bureau of Investigation (PBI) is a specialized unit of the Bangladesh Police that performs a criminal investigation and digital forensic service by the order of honorable court, police headquarters and the request of other police units. They investigate homicides, crime against property (dacoity, robbery, theft and fraud case etc.), sexual assaults, arson, cyber crime, and other crimes. Additional Inspector General Banaj Kumar Majumder BPM(Bar), PPM is the chief of the PBI.
Organization
The PBI is headed by an Additional Inspector General (Addl. IGP) and functionally his office contains most administrative units. Operationally PBI are divided by two regions, namely West and East region which are headed by Additional Deputy General of Police (Addl. DIG). Also, PBI are divided into 8 division, 74 district and metropolitans respectively. In addition, PBI has set up a Specialized Investigation & Operations (SI&O) unit in PBI HQ to run Counterterrorism Unit (CTU), DFL (Digital Forensic Lab) to investigate organized crime, other transnational crimes and cyber crime. Each PBI division and district is run by a Special Superintendent of Police (SSP). Other ranks in the PBI are Additional Superintendent of Police (Addl. SP), Assistant Superintendent of Police (ASP), Inspector, Sub-Inspector, Assistant Sub-Inspector and Constable.
Chiefs of PBI (2012-present)
Notable cases
Nusrat Murder Case
Sagira Morshed Murder Case: Nice Hotel Murder Case Murder, not suicide Salman Shah
Other information
The Police Bureau of Investigation was formed on 18 September 2012 to investigate "sensational" and difficult cases. In November 2016 Bangladesh Police burned down shanties of Santals in Gaibandha and the PBI was tasked to identify the responsible police officers. They were charged with the investigation of the 2017 South Surma Upazila bombings. PBI has been tasked to collect evidence from terrorist attacks such as the 2017 RAB base suicide attack and the raid on the militant base in Sitkundia. The agency is responsible for the investigation of human trafficking.