As a sign of President Putin’s anger over the failure of the invasion, about 150 Federal Security Service (FSB) officers were fired, including some who have been arrested. All those expelled were employees of the Fifth Service, a unit set up in 1998 when Putin was director of the FSB to conduct operations in the countries of the former Soviet Union with the aim of keeping them within Russia’s orbit. FSB officers investigate more than 20 Moscow-based addresses of colleagues suspected of having contact with journalists ALEXANDER NEMENOV / GETTY IMAGES The former head of the service, Sergei Besenta, 68, was sent to Lefortovo prison in Moscow.
