37-year-old Frumet Teitelbaum, an Israeli citizen, was stopped by US Customs and Border Protection agents at Kennedy Airport after flying in from Israel on February 5. Her husband Rabbi Leibish Teitelbaum, who was studying in the Chabad Center, was killed in the 26/11 strikes. Since her husband's death, Frumet, a religious-studies teacher, had been regularly traveling without problemsfrom her home in Israel to the US to visit her children in New York.