Poisoning Russian opposition leader Alexei Navalny didn't get rid of him. He survived the attack, and now the Kremlin must deal with a reinvigorated reform movement led by Navalny.
Vladimir Putin is a standard-bearer, rather than a pioneer in the history of Soviet and Russian political assassination.
It's all about the dose.
The use of chemical weapons has shifted from the battlefield to attacks on civilian targets. Time to rethink the convention that prohibits their use.
The UK has become surprisingly willing to brief the press about possible use of cyber attacks, including against Russia in response to the Skripal attack.
The Skripal case shows how Russian intelligence services have the confidence to carry out shoddy operations, seemingly unconcerned about whether or not they will be discovered.
Five years after the first chemical weapons attacks in Syria that killed more than 1,400 people, a team at MSU may have solved the problem of getting nerve agent antidotes inside the brain.
Novichok are a set of molecules that are some of the most deadly nerve agents ever developed. They are almost impossible to detect and clean up.
The same deadly nerve agent used against a former Russian spy and his daughter could be linked to a second poisoning that killed a 44 year old woman in the UK.
Former Russian spies Alexander Litvinenko and Sergei Skripal were both poisoned – one polonium, the other by Novichok. Now that there's been another nerve agent case, what's the difference?
The spectacle of thousands of soldiers gassed to death in France announced to the world that a new class of weapons had arrived.
An audio version of an in depth article on the story of how the nerve agent used in an attack on former Russian spy Sergei Skripal was developed.
A long read on how nerve agents were developed – and used in an attack on a former Russian spy on the streets of Salisbury.
International law on chemical weapons fails without mutual trust and transparency.
Hundreds of people have been warned after former Russian spy Sergei Skripal was poisoned with Novichok nerve agent.
Even if they do eventually wake up, Sergei and Julia Skripal could suffer permanent damage as a result of their exposure to a Novichok nerve agent.