New Delhi: Faiza Outalha, an estranged wife of American-born Lashkar-e-Toiba (LeT) operative David Headley, has replied to all questions of National Investigation Agency (NIA) relating to her knowledge of the conspiracy behind 26/11 Mumbai attacks.

Besides Outalha, the probe agency also recorded the statement of a New York-based cousin of Headley for a questionnaire sent through the US Department of Justice, official sources said.