Sheikh Ahmed Yassin, the leader of the militant Islamic group Hamas, speaks during a press conference at his home in Gaza City, Thursday, October 1, 1998. Yassin, the founder and leader of the Hamas militant group that targeted Israelis in suicide bombings, was killed by missiles fired from Israeli helicopters as he left a mosque at daybreak Monday, March 22, 2004, witnesses said. (AP Photo/Adel Hana)