Police recovered the body of an unidentified woman from beside a highway in Parbatipur upazila of the district yesterday.
The identity of the victim, aged between 25 and 30, could not be known as of filing of this report around 8:30pm.
Police said locals of Madhyapara village in the upazila spotted the woman's body beside Phulbari-Mithapukur highway yesterday morning and informed them.
Later, a police team from Madhyapara Investigation Centre (IC) went to the spot, recovered the body and sent it to M Abdur Rahim Medical College Hospital for autopsy yesterday noon.
Officer in Charge (OC) of Parbatipur Police Station Mokhlesur Rahman said victim's right hand and left leg were tied with a rope from her neck.
Criminals might have brutally tortured the victim before killing her as the body bore several injury marks, he said.
"Primarily we suspect that the victim was from elsewhere," he said.
Criminals might have killed her somewhere else and later dumped the body from a running vehicle, police said.
Besides, another unidentified woman was found murdered near Sura Mosque area beside Ghoraghat-Hakimpur road in the same upazila on Sunday.
Officer in Charge of Ghoraghat Police Station Azim Uddin said with the help of Criminal Investigation Department they later identified the victim, using database of National Identification (NID).