Aristidas Tamosaitis was detained in Moscow in May 2015.
The FSB reported having arrested seven ISIS affiliates who were planning to attack Moscow and St. Petersburg.
The man was reportedly plotting attacks in Chechnya and Dagestan.
A pressure group says the supermarket chain knowingly delayed paying its suppliers.
The verdict on the Litvinenko murder case could strain relations between London and Moscow.
Russian security services reportedly told the TV personality that she had become a target of Nemtsov's killers.
Yuri Shvets testified yesterday as part of the inquiry into former Russian intelligent agent Alexander Litvinenko's death.
According to Pavel Khodorkovsky's Institute for Modern Russia the KGB practice of killing defectors is back.
Several members of the Lithuanian armed forces that worked at a sensitive NATO base have been detained
Former CAPO agent Uno Puusepp has been unveiled as a double agent for Russia's FSB