Who was Mohammed Deif, Hamas leader behind the October 7 Al-Aqsa Flood attack on Israel?

Israeli forces confirmed the death of Hamas military leader Mohammed Deif in a Gaza airstrike. Deif, a key figure behind the deadly October 7, 2023, attack on southern Israel, had evaded numerous assassination attempts. His death follows decades of pursuit by Israel. Over 39,400 Palestinians have died since the October attack.