Maybe he cannot believe she has been killed; but he surely knows she was abducted.
I think the group that did this realized by public sentiment - and by the fast denials of other terror leaders - that this abduction was a mistake.
Think Margaret is dead; and they do not want to claim responsibility.
Surely, she will not show up in Ireland. . .but I guess, stranger things have happened. I do wish her the benefit of my doubts.
I obviously don't know Margaret Hassan, but there are people who do her sort of work that might be deluded into believing some sort of staged incident would help her cause.
From that quote, I don't know that her husband's wild speculation is too far from my own.