Rotia said the victims went to the irrigation canal switch to divert water supply to their rice farms.
Rotia said police were looking into three angles: misunderstanding over the water supply for the rice fields, rido (family feud), and suspicion that the victims were military informants.
'They (suspects) were nowhere to be found in the area where they were last seen together,' Rotia said, adding that two of the suspects have pending warrants of arrest.
Rotia said prior to their deaths, the victims were also instrumental in the arrest of a long-wanted drug suspect in the area, working closely with military and police authorities as field assets
said the man and his daughter were in a heated argument when the father got hold of a crowbar and swung it at the driection of his daughter, hitting the girl on the head.