The two cases filed over molestation and torture of a housewife in Begumganj upazila of Noakhali have been transferred to Police Bureau of Investigation (PBI) on Thursday.
Earlier police headquarters directed to transfer the cases, said M Alamgir Hossain, superintendent of Noakhali police.
The documents of the two cases filed under the Women and Children Repression (Prevention) Act and Pornography Control Act, will be sent to PBI on Friday, he said.
The victim was allegedly molested by some local miscreants at Ward No. 9 of Eklashpur Union of the upazila last month but the incident came to light after a video of the incident went viral on the internet.
The miscreants tortured the housewife after undressing her and filmed it on September 2.
The victim filed two cases accusing nine people on October 4, 33 days after the incident.