Security on school grounds: Necessary or overdone?

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South Carolina senior deputy Ben Fields has been fired after video of him slamming a female student to the ground hit the web and sparked an outrage. Fields who was a resource officer at the school was hired to provide security and prevent crimes at school grounds.

Now, in the past 20 years, security has been heightened in a lot of schools across the country but is it necessary and does it work? Here to talk more about security in school, former NYPD Lt. Dr. Darrin Porcher and president of the Hempstead Public School Board Lamont Johnson.