They said they had been trying to drive away an illness they believed was brought on by a bad spirit. Officials investigating events leading to the gory discovery said the ritual killing happened last Wednesday.
This is the house in Ampatuan, Philippines, where three sons are alleged to have killed their mother
Police discovered the badly mutilated body with several parts missing, drained of blood
Police are looking into reports the family had a history of mental disorders but are not ruling out the role of drug abuse in the killing.
Senior Inspector Ronald De Leon, Ampatuan Chief of Police, said the suspects will undergo drug tests.
The three men are of the Moro indigenous ethnic Muslim race.
It is claimed three sons butchered their mother with machetes and ate her raw internal organs in this house
Neighbours reported hearing strange noises coming from the family home for days
Police are looking into reports the family had a history of mental disorders but are not ruling out the role of drug abuse in the killing All three suspects reside in a family farm at Purok Nabadtog in Barangay Kamasi in Ampatuan.
Community leaders said the three men killed their mother and feasted on parts of her body as if they were wild animals. The village drew notoriety for the 2009 massacre of 58 people.