In March 2018, Sergei Skripal and his daughter Yulia collapsed onto a public bench in the English town of Salisbury. They were behaving erratically and weaving in and out of consciousness like someone who had taken an overdose of drugs. They were hospitalised and placed under deep sedation in a critical condition. Investigations revealed that Skripal was a Russian double agent who had been recruited to work for MI6, the British Secret Intelligence Service. Watch this program and learn more about this Russian spy's story.