Police recovered the body of a youth from Naobhangachar area in Jamalpur municipality yesterday, six days after he went missing on Thursday.
The deceased, Apu Miah, 22, a tractor driver, was son of Suruj Ali of the area.
Officer in Charge (OC) of Sadar Police Station Salemuzzaman quoted victim's family members as saying that Apu went out of his house on Thursday evening and remained missing since then.
The following day, Apu's father Suruj Ali filed a General Diary (GD) with the police station, he added.
Police detained victim's neighbor Al Amin, 24, son of Kalu Miah, from Tangail's Madhupur upazila on Tuesday, for his alleged involvement in connection with the incident, he said.
During primary interrogation, Al Amin confessed that he stabbed Apu to death and dumped the body near his house on Thursday night.