Dhanmondi police have filed charges against four individuals, including former superintendent of police Babul Akhter, in a case lodged by the PBI chief under the Digital Security Act.
The investigating officer in the case, Dhanmondi Model police station Inspector (Operation) Md Rabiul Islam, confirmed the matter on Tuesday.
The three other individuals charged are Babul's father, Md Abdul Wadud Mia, brother Md Habibur Rahman Labu and expatriate YouTuber Elias Hossain.
Babul is now in jail, his father and brother are out on bail, and journalist Elias Hossain is abroad.
Elias Hossain has been shown as a fugitive in the charge sheet, and an arrest warrant for him has been requested from the court.
After six months of investigation, Md Rabiul Islam submitted the charge sheet to the Dhaka Chief Metropolitan Magistrate's Court on April 9.
The next hearing in the case will be held on Thursday at Dhaka's Cyber Tribunal.
Earlier on September 27, PBI Chief Banaj Kumar Majumdar filed the case, accusing the four of making the ongoing investigation into the murder of Mitu, Babu's wife, questionable, spreading false information and using abusive words.
In the case, the plaintiff alleged that all the accused intentionally spread false information through social media platforms, including YouTube
Besides, Elias from the US spread misleading information to spoil the communal harmony of the country and tarnish the image of the PBI, the case statement said.
Mitu was stabbed and shot to death on June 5, 2016, when she was walking her son to his school bus at the GEC crossing in Chittagong.
Later, the PBI took over the case from the Detective Branch of the Chittagong Metropolitan Police.
