Tomer Bassis expected his day to be filled with electronic trance music at the Oct. 7 desert rave party he was attending in southern Israel. Instead, the sounds of bullets whizzing by as he ran to escape the indiscriminate gunfire of Hamas militants became the soundtrack seared into his mind. The 25-year-old Israeli was among some 3,000 other young revelers at the music festival who fled the carnage as the militants from Gaza descended on the field, gunning down young men and women and throwing rocket-propelled grenades into the crowd in an unprecedented rampage.