# Shin Bet and IDF knew Hamas' military chief Mohammed Deif went underground hours before October 7 attack

- Published: 2026-11-04T18:58:51Z
- Updated: 2026-11-05T04:33:15Z
- Section: Breaking
- Language: English (en)
- Source: Haaretz — https://www.haaretz.com/israel-news/israel-security/2026-11-04/ty-article/.premium/shin-bet-and-idf-knew-hamas-military-chief-went-underground-hours-before-oct-7/000001a1-a799-d33a-a1e1-efd9865a0000
- Tags: Haaretz · Haaretz
- Canonical: https://www.khabarestan.com/en/news/%D8%A2%DA%98%D8%A7%D9%86%D8%B3%D9%87%D8%A7%DB%8C-%D8%A7%D8%B7%D9%84%D8%A7%D8%B9%D8%A7%D8%AA%DB%8C-%D8%A7%D8%B3%D8%B1%D8%A7%D8%A6%DB%8C%D9%84-%D8%A7%D8%B2-%D9%BE%D9%86%D9%87%D8%A7%D9%86%DA%AF%D8%A7%D9%87-%D8%B1%D8%A6%DB%8C%D8%B3-%D8%AD%D9%85%D8%A7%D8%B3-%D8%AF%D8%B1-%D8%BA%D8%B2%D9%87-%D8%A2%DA%AF%D8%A7%D9%87-%D8%A8%D9%88%D8%AF%D9%86%D8%AF

The investigation found failures in intelligence analysis and decision-making, but did not attribute negligence to any specific party. The military maintains that the full picture could not have been understood that night

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