Mostafa Saeed was arrested as a minor with others from Downtown, during the third anniversary of the revolution on January 25, 2014. He was presented before the prosecution under the case No. 291 for 2014 Abedin administrative, registered with No.12096 for 2014 Abedin felonies and No.1561 for 2014 Downtown total, known in the media as “Downtown Grievances”. He was charged with assembly, demonstrating without a permit, show of force and signaling violence, the murder of 5 people (Atta Shaaban, Sayed Abdullah Mohammed “Waza”, Amr Awad Sayed, Mahmoud Yassin Abdel Alim, Mahmoud Metuli Sayed), the attempted murder of others, and possession of firearms, ammunition, explosives and materials used in the attack. The prosecution ordered his detention pending investigation. He was released on bail of 10,000 pounds on February 12, 2014. The court sentenced him to one year in prison with work, police surveillance for one year and the confiscation of weapons and ammunition on February 26, 2017.