עונה 1
4 פרקים
1. Episode 1
1. Episode 1
Former Russian spy Alexander Litvinenko succumbs to a mysterious illness. Investigators race to find out the cause behind his death.
2. Episode 2
2. Episode 2
Watched by the world, the Metropolitan Police follow the radioactive trail of polonium across London, leading them to their main suspects, Lugovoy and Kovtun.
3. Episode 3
3. Episode 3
A team of detectives led by Timmons's "best man," Brian Tarpey, arrives in Moscow to interview the prime suspects behind Litvinenko's murder.
4. Episode 4
4. Episode 4
With their investigation complete, Timmons's team submit their file to the Crown Prosecution Service, which charges Lugovoy and Kovtun with Litvinenko's murder.
