The bodies of the two brothers and the wife of one of them, missing since last week, was recovered from a pit dug to bury them in Ranglur Pukhuribasti.
The son of the missing couple had gone to neighbouring Karbi Anglong and on his return found his parents and uncle missing from home following which he filed a complaint with the police.
The police had taken 20 persons into custody and based on the interrogation of some, dug the pit in the nearby field and recovered the bodies today.
The police suspect that the trio were killed for allegedly practising witchcraft and further investigations were on.