More than 100 potential school shootings were thwarted between 2000 and 2010. Four attacks in Florida schools were stopped by authorities.
Not everyone who exhibits identified warning signs for violent behavior are destined to become violent themselves. Click here for more information on warning signs and what to do.
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A 4-year-old Pasco County boy is dead. According to family members, doctors suspect he contracted bacterial meningitis, He started showing symptoms Saturday night.