Chemical weapons have been around for a long time. Nature uses chemical compounds in animals like the skunk with a telling effect. Snake bites or military nerve agents can be lethal in seconds.
Certain types of chemical agent technology can work well in the school environment.
Chemical agents range from lethal too non-lethal in purpose. Oleoresincapiscum is a non-lethal chemical weapon. This spray has a very high rate of effectiveness in stopping violent criminal behavior. It is an inflammatory agent. It is unusual that OC spray has a record for causing few injuries or fatalities compared to other intermediate use of force method of control.