A couple committed suicide in Shamoly Para residential area of Madhabpur upazila of the district on Saturday.
Police recovered the bodies around 4pm.
The victims were identified as Saifur Rahaman Reza, 35, and his wife Nur Jahan, 30.
Amol Kumar Dhar, officer-in-charge of Madhabpur Sadar police station, confirmed the matter to the Dhaka Tribune.
Witnesses said police found the bodies lying in their bedroom after getting information by locals of Shamoly residential area.
They might have poisoned themselves using highly sedative drugs, the OC said.
“We found a suicidal note near the bodies saying ‘no one is responsible for our death,’” he added.
The bodies were kept in the police station.