UK believes Prigozhin plane was downed by Russian security agency
The Federal Security Service is Russia's primary security agency. It is Russia's successor to the KGB of the Soviet Union.
A view shows a portrait of Wagner mercenary chief Yevgeny Prigozhin at a makeshift memorial near former PMC Wagner Centre in Saint Petersburg, Russia August 24, 2023. (photo credit: REUTERS/Anastasia Barashkova)BySAM HALPERN