The case was handed over to the Police Bureau of Investigation (PBI) on Sunday
A court on Sunday placed suspended Feni police OC Saiful Islam, a member of the district Detective Branch, on another four-day remand, in a case over snatching 20 gold bars from a businessman on Dhaka-Chittagong Highway on August 8.
Feni Senior Judicial Magistrate Kamrul Hasan passed the order after the investigation officer of the case produced the accused before court and prayed for a seven-day remand.
The same court on Saturday placed five other DB officials involved in the incident on a second spell of three-day remand.
They are sub-inspectors Motaher Hossain and Mizanur Rahman, Nurul Haque, and assistant sub-inspectors Abhijit Barua and Masud Rana.
They were initially remanded for three days on August 11, said Golam Jilani, a police inspector posted at Feni court.
Meanwhile, the case was handed over to the Police Bureau of Investigation (PBI) on Sunday.
Feni district police Superintendent Khondokar Nurunnabi handed the case over to PBI Superintendent Md Asaduzzaman.
PBI Inspector Shah Alam, investigation officer of the Nusrat murder case, has been given the responsibility to investigate the case now.
Six members of the DB of Feni police were arrested on Tuesday night for allegedly robbing a businessman of 20 gold bars worth Tk1.24 crore.
The same day the six accused were suspended by the district police authorities.
According to police sources, some 15 of the 20 looted gold bars have been recovered from the possession of the accused, and the remaining fove gold bars were not recovered yet.
As per the complaint of Gopal Kanti Das, the six detectives intercepted Gopal's car on the road under Fatehpur flyover on the Dhaka-Chittagong highway, looted the gold bars and left the spot on August 8.
A robbery case was filed against the six with Feni Model police station.