Roles played by chemical agents play in homeland security

        Based on your assigned readings and own research, what role do chemical agents play in homeland security? What type of chemical agent do you think is most viable as a weapon? Why? What role do explosive hazards play in homeland security? What type of explosive agent do you think is most viable as a weapon? Why? How might or do toxic chemicals play into homeland security?   Textbook: Johnson, T. A. (2015). Cybersecurity: Protecting critical infrastructures from cyber attack and cyber warfare.Boca Raton, FL: CRC Press. ISBN: 9781482239225. Pichtel, J. (2016). Terrorism and WMDs (2nd ed.). Boca Raton, FL: CRC Press. ISBN: 9781498738989.