According to investigations, 18 of the suspects are related to varying degrees; 31 have been detained pending investigations, and 17 others are wanted by the police. The investigations show that the suspects used cell phones with protected SIM cards, and communicated through the Telegram application and encrypted text messages. Rami Abdul Hamid, admitted that Mahmoud Mohamed Mustafa, who was involved in the Botroseya Church bombing in Abbasiya, is a member of IS in Sinai. Walid Abu al-Majid, accused of plotting Botroseya church bombing, is the brother-in-law of the suspect Abdul Rahim Hassan who is an IS member. The members of the terrorist cell were given fake names by the suspect Amr Saad Abbas, and changed their SIM cards periodically.

Source: Egypt Independent May 23, 2017 13:41 UTC