The attacker was Abdullatif Moradi, a 21-year-old Uzbek who illegally crossed into to Iran in 2021 from the Iran–Pakistan border, and has been living around Mashhad. Moradi was identified as a "Takfiri who viewed Shia Muslims as heretics and believed their blood should be spilled".[1] Abdullatif Moradi and his brother worked in a transport company in Mashhad.