The zonal spokesman, Muyiwa Adejobi, said policemen had mounted on surveillance on the activities of the culprits, following a tip off.
Adejobi said that the den, a massive ediffice, had names of prominent persons who might have fallen victims to the suspects inscribed on it.
Also seen at the place we’re fetish materials/structures, charms, figurines and shrines, said Adejobi.