The Islamic State-linked group Ansar Beit al-Maqdis claimed that it killed US oil worker William Henderson in August. An investigation is underway into the hijacking of an Egyptian missile boat on Nov. 14; militants reportedly intended to hijack an Israeli ship. President Abdel Fattah Al-Sisi has declared zones along Egypt’s borders that are ‘forbidden’ or ‘restricted’ to anyone other than security forces. An Egyptian court has declared the Islamic State a terrorist organization and banned it and affiliated jihadist groups.