During the Civil War, the Christian militia fought against the Palestinian fighters of the Palestine Liberation Organization.
On 7 May 1976, she defended a building overlooking Martyr's Square in Beirut alongside six other women against 300 Palestinian fighters.
Khoueiry killed their leader, causing the militia to panic and flee following a six-hour span.
[6] The film, broadcast on Canal+, was titled La Tueuse and reports on her passage of faith during the Lebanese Civil War.
[8] In 2014, she participated in the Third Extraordinary General Assembly of the Synod of Bishops and was appointed to the Pontifical Council for the Laity.