Hamas takes unusual step to hide Sinwar's disappearance - report
Israeli intelligence is investigating whether recent messages attributed to Hamas leader Yahya Sinwar were written by him while investigating the possibility of his death.
Yahya Sinwar arrives at the Rafah crossing between Egypt and Gaza on October 18, 2011, after being released by Israel as part of a prisoner swap for kidnapped soldier Gilad Schalit(photo credit: REUTERS)ByMAARIV ONLINEUpdated: