Marina Litvinenko - a Life in Fragments

Alexander Litvinenko died in 2006 in a poisoning that caused shockwaves around the world.

His murder left his widow seeking justice for her husband, but she was obstructed every step of the way, and it wasn't until 2016 that a public inquiry finally confirmed it had been a 'state sponsored murder'.

But how did it come to this? And why are the lessons he provided still important now, 20 years on? His widow explains exactly why, shares her inspirational personal story behind the tragedy and explains the importance of the continued fight to reveal the crimes of Putin's regime.Talking to...XXXXX