Police recovered the bullet-hit body of a Jubo League leader at Jadimura in Teknaf upazila on Thursday night.
The deceased was identified as Omar Faruk, 30, president of no 9 ward unit Jubo League and son of Abdul Monaf.
Pradip Kumar Das, officer-in-charge of Teknaf Police Station, said local people spotted the body and informed the matter to police around 11 pm.
Later, police recovered the body and sent it to local hospital morgue for autopsy.
Osman Goni, elder brother of the Faruk, alleged that a group of Rohingya criminals picked Faruk up from in front of his residence and took him to a nearby hill.
The motive behind the killing could not be known immediately. Police are investigating the incident, said the OC.