He claimed responsibility saying “We are the ones who downed it by the grace of Allah, and we are not compelled to announce the method that brought it down.”
والقوم يقولون : والله ما رجعنا عن الإسلام ولكن شححنا على أموالنا، فيأبى أبو بكر أن يدعهم بهذا القول.