Life and career
Sergei Skripal was born in
 on 23 June 1951.
 In 1972, Skripal completed the
military engineering school in
Kaliningrad with qualification of a
 He then studied at the Moscow
Military Engineering Academy, and then served in the Soviet
Skripal was co-opted to the
military intelligence (
GRU) from the Airborne Troops.
 In the early 1990s, he was posted as a GRU officer at the embassy in
 In 1994, he landed a position in the
military attaché′s office in
 According the FSB and other sources, in 1995, in Spain, he was recruited to the British intelligence by British intelligence agent Pablo Miller, who then posed as Antonio Alvarez de Hidalgo.
 According to intelligence sources cited by
The Times in March 2018, Skripal was first spotted for potential development as an asset by the
Spanish intelligence but was approached by the British recruiter around July 1995 and was given the
 According to the FSB, Pablo Miller was also involved in efforts to recruit other Russian assets and was in contact with
In 1996, due to his poor health (
 Skripal was sent back to Moscow, where he went on to work in the GRU headquarters and for a while was acting director of the GRU personnel department.
 Skripal held the rank of
colonel when he retired, due to his inadequate health condition, in 1999.
 He continued to make trips to Spain, where he had a house near
Málaga at his disposal, provided by his handlers.
According to Russian prosecutors, he began working for the United Kingdom's
Secret Intelligence Service (MI6) in 1995 and passed on state secrets, such as the identities of Russian intelligence agents. After his retirement, he worked in the Household Department of the
Russian foreign ministry, while continuing to work for MI6.
 He was alleged to have blown the cover of 300 Russian agents.
From 2001, Skripal worked in the Ministry of Municipalities of the Government of
Arrest and conviction
In December 2004, Skripal was arrested outside his house in Moscow′s
Krylatskoye District shortly after returning from Britain.
 In August 2006, he was convicted under Article 275 of the
Russian Criminal Code (high treason in the form of espionage) by the Moscow Regional Military Court in the trial conducted behind closed doors.
 Prosecution, which was represented personally by Chief Military Prosecutor Sergei Fridinsky, argued for a 15-year sentence – instead of the 20-year maximum under Article 275 – in recognition of mitigating circumstances such as his co-operation with investigators.
 Skripal was sentenced to thirteen years in high security detention facility; he was also stripped of his military rank and decorations. The affair was not revealed to the public until after he was sentenced in August 2006.
 Skripal's lawyers appealed the sentence,
 which was upheld by the
Military Collegium of the Supreme Court on 30 November 2006.