Police on Thursday recovered the bodies of a couple and their son from a house at Section 13 of Mirpur in the city.
The deceased were identified as Bayezid, 40, his wife Anjana, 36, and their lone son Farhan, 18, a student of Dhaka Commerce College.
Bayezid’s body was found hanging from the ceiling while bodies of his wife and son were lying on the bed, said officer-in-charge of Kafrul Police Station Selimuzzaman.
He said neighbours informed police as they didn’t get any response from them after knocking their door for a long time in the morning.
Police sent the bodies to Dhaka Medical College and Hospital for autopsy.
The cause of their death is not clear yet, he said.