Leila Khaled, activist and prominent member of the Popular Front for the Liberation of Palestine PFLP, speaks during the congress of pro-Kurdish Peoples’ Democratic Party, or HDP, in Februrary 2018.

Leila Khaled, activist and prominent member of the Popular Front for the Liberation of Palestine PFLP, speaks during the congress of pro-Kurdish Peoples’ Democratic Party, or HDP, in Ankara, Turkey, Sunday, Feb. 11, 2018. Khaled hijacked her first plane in 1969, TWA Flight 840 from Rome to Tel Aviv. One year later she attempted to do the same on El Al Flight 219 from Amsterdam to New York. (AP Photo/Burhan Ozbilici)