Saidakrami Murodali Rachabalizoda, a suspect in the Crocus City Hall shooting on Friday, sits in a glass cage in the Basmanny District Court in Moscow, Russia, Sunday, March 24, 2024. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Alexander Zemlianichenko)
Shamsidin Fariduni, a suspect in the Crocus City Hall shooting on Friday sits in a glass cage in the Basmanny District Court in Moscow, Russia, Sunday, March 24, 2024. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Alexander Zemlianichenko)
FILE - A national flag of Tajikistan is hoisted to the top of the 165-meter (541.34 feet) flagpole in Dushanbe, Tajikistan, Tuesday, May 24, 2011. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Olga Tutubalina, File)
A suspect in the Crocus City Hall shooting on Friday sits in a courtroom in the Basmanny District Court, in Moscow, Russia, Sunday, March 24, 2024. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Alexander Zemlianichenko)
People place flowers at a makeshift memorial in front of the Crocus City Hall on the western outskirts of Moscow, Russia, Monday, March 25, 2024. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Alexander Zemlyanichenko)
In this photo released by the Russian Emergency Ministry Press Service, Russian Emergency Ministry rescuers work inside the Crocus City Hall on the western edge of Moscow, Russia, Saturday, March 23, 2024, following an attack Friday, for which the Islamic State group claimed responsibility. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (Russian Emergency Ministry Press Service via AP)
In this photo taken from video released by Investigative Committee of Russia on Sunday, March 24, 2024, a suspect in the Crocus City Hall shooting on Friday is escorted to the Russian Investigative Committee headquarters in Moscow, Russia. (Investigative Committee of Russia via AP)
Mukhammadsobir Faizov, a suspect in Friday's shooting at the Crocus City Hall, sits in a glass cage in the Basmanny District Court in Moscow, Russia, Sunday, March 24, 2024. The four men charged with the massacre at a Moscow theater have been identified by the Russian government as citizens of Tajikistan, some of the thousands who migrate each year from the poorest of the former Soviet republics to scrape out marginal existences. (AP Photo/Alexander Zemlianichenko)