Bellingcat has determined that a third Russian GRU officer, who was in the United Kingdom at the time of the Skripals’ Novichok poisoning in March 2018, arrived in Bulgaria just days before a local entrepreneur and his son became seriously ill after being poisoned with an unidentified substance.
Bellingcat: Third Skripal suspect linked to 2015 Bulgaria poisoning
A handout picture taken on Wilton Road in Salisbury, west of London on March 4, 2018, and released by the British Metropolitan Police Service in London on Sept. 5, 2018, shows Alexander Petrov (R) and Ruslan Boshirov, who are wanted by British police in connection with the nerve agent attack on former Russian spy Sergei Skripal and his daughter Yulia.