The text interviews in French and English, published yesterday and today, did not directly name Hayat Boumeddiene or show images of her, instead identifying her only as the wife of Amedy Coulibaly, or Umm Basur al-Muhajirah.
She is considered key to the investigation into the attacks in Paris, which left 20 people dead including the gunmen, although she left France just beforehand.
In the stilted responses laced with references to the Quran, she called on women to be patient and make life easier for their men.
She said Coulibaly himself would also have gone to Syria had it not "conflicted with his intent to carry out the operations in France."
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There was no way to confirm the circumstances of the interview, or even if the responses were hers.
Coulibaly killed five people before he died in a raid by security forces. Brothers Said and Cherif Kouachi attacked the offices of satirical newspaper Charlie Hebdo, killing 12.