How Tear Gas Became a Staple of American Law Enforcement
In 1932, the “Bonus Army” of jobless veterans staged a protest in Washington, DC. The government dispersed them with tear gas.
Why Do Police Use Tear Gas When It Was Banned in War?
The development of chemical warfare around the time of World War I led to the use of tear gas as a weapon by civilian police forces.
The Amoral Scientist
Fritz Haber was a chemist who made discoveries that improved global agriculture… but also helped spawn the modern era of chemical warfare.
The Power of Deterrence
The First World War witnessed the first major use of chemical warfare, but by the Second World War deterrence seemed to work.
Ancient Chemical Warfare
The lethal combination of chemistry and warfare has a long history.