The Chemical Weapons DETECTIVES.

The article discusses how a team from the United Nations Security Council and the Organization for the Prohibition of Chemical Weapons' Joint Investigative Mechanism, led by chemist Stefan Mogl, investigated the sarin nerve gas attack in Khan Shaykhun, Syria during the civil war. Topics discussed include the analysis of the origin of phosphorus hexafluoride from the Khan Shaykhun samples and the report that that the sarin was made from the same precursors that came from the Syrian stockpile.