Since the end of Operation Cast Lead, Hamas has observed an unofficial ceasefire with Israel and has rarely participated in the waves of cross-border fighting, where smaller factions were the main players.
Al-Jaabari has become the virtual leader of Ezz el-Deen al- Qassam Brigades after Israel badly wounded the official No. 1 commander, Mohammed al-Deif, in an attempted assassination in 2003.
Al-Jaabari survived several Israeli raids that targeted him, the most serious one in 2004, when the airplanes hit his house, killing three of his relatives and one of his sons.
In 1982, Israel arrested al-Jaabari for being an active within Fatah movement. After his release in 1995, he joined Hamas and ran a Hamas charity taking care of prisoners.
He played the key role in negotiations that led to releasing Israeli soldier Gilad Shalit, who was captured by Hamas in 2006, in exchange for more than 1,000 Palestinian prisoners. The swap took place in two phases in 2011 and 2012.
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