“Formerly known as Ansar Beit Al-Maqdis (roughly, Champions of Jerusalem), the group now calling itself Sinai Province announced the slaying on a Twitter account and posted images of oil worker William Henderson’s passport and identification cards. It did not say how the slaying was carried out….
The Sinai-based jihadi group claiming responsibility for the oil worker’s murder has grown increasingly proficient carrying out attacks and sophisticated selecting targets based on their “strategic value.” It has conducted scores of attacks since the July 2013 ouster by the Egyptian armed forces of Islamist President Mohammed Morsi, and with each blast or shooting the group has been expanding its theater of operations. Originally it was a low-level insurgency mainly confined to the Sinai Peninsula . but recently it has been hitting at high-profile targets and foreigners elsewhere in the country—including right in the heart of Cairo.”
You can read my full report here at the Daily Beast