WASHINGTON -- Twelve Israelis who were unaccounted for in Las Vegas amidst a massacre there on Sunday night have been identified and are safe, an official with the Israeli consulate in Los Angeles said on Tuesday."All of the Israelis that we were looking for has been located," the official told The Jerusalem Post, confirming that their diplomats on the ground in Nevada were on their way back to California. One man opened fire from a window in the Mandalay Bay hotel on Sunday night, killing 59 people and injuring over 500 more. The event amounts to the worst mass shooting in modern American history, and the 272nd mass shooting event in the US to occur in the last 276 days.