Who is Mohammed Deif, the Hamas military chief targeted by Israel? - CNN

Who is Mohammed Deif, the Hamas military chief targeted by Israel?  CNNIsrael says Hamas commander killed in southern Gaza strike but fate of military chief unclear  CNNChief of Staff Halevi: 'Hamas is trying to hide' results of strike on Mohammad Deif  The Jerusalem PostHamas claims military chief survived Israeli strike  POLITICOHamas says it has not left ceasefire talks after Israeli attacks  Reuters.com