Fayzov was taken to the second floor of the building in a wheelchair.
The accused was wearing a white coat, which is usually worn by patients in hospitals.
Previously, two other suspects in the terrorist attack, Rachabalizoda Saidakrami Murodali and Mirzoev Dalerjon Barotovich, appeared in court to choose a preventive measure. The latter fully admitted his guilt and was detained until May 22.