Nigeria, Sept. 27 -- He was in the senior commanding cadre among the revered elite jihadist corps in the Islamist terrorist group, Boko Haram. As a Qa'id, the Nigeria Army equivalent of a Brigadier-General, he was high in the sect's pecking order. Two years ago, Musa, (not his real name) took residence in Hayin Rigasa in Kaduna among ordinary people.

Musa was joined by his family, his wife and three children. He lived discreetly, with a keen interest in the minutest information about his neighbours and the neighbourhood. He avoided conversations with people and only ventured out when it was necessary.

He had a medical issue. HumAngle was informed that Musa frequently treated piles but his stubborn refusal to submit himself for professio...