Mohammed Deif is the head of the Izzadin al-Qassam Brigades, the military wing of Hamas.
He is credited for helping plan and carry out numerous Palestinian terrorist attacks since the 1990s, which has led to him being informally known as Israel's "most wanted man" for almost 30 years, and is confirmed to have survived multiple attempts by Israel to eliminate him. He has also been designated as a terrorist by both the United States and the European Union.
Currently, Deif is widely believed to have been instrumental in the planning and carrying out of the October 7 massacre, which started the Israel-Hamas war in 2023.
At present, Deif is believed to still be at large in the Gaza Strip.
According to some estimations, it is possible that Sinwar has surrounded himself with hostages, used as human shields.
Hagari also said that "Hamas's military framework in the northern Gaza Strip has been completely dismantled," and that the photo of Deif was found on a computer that was seized in the Strip.
Hamas has made it clear in recent days that it does not care what the IDF does to Khan Yunis and southern Gaza any more than it did to northern Gaza.
The IDF demolished a massive Hamas tunnel network beneath Gaza City • The UN Security Council passes a resolution intended to help bring more humanitarian aid into the Gaza Strip.
The ID card, which was printed with both Hebrew and Arabic text, was found along with several copies of the documents including an appendix with the names and birth dates of his children.