California school shooting plot thwarted by security guard, police say

California school shooting plot thwarted by security guard, police say A plot by a "disgruntled" student who was planning a mass shooting "within weeks" at a Southern California high school was thwarted after a security guard overheard a conversation last week, authorities said Wednesday. A plot by a disgruntled student who was planning a mass shooting within weeks at a Southern California high school was thwarted after a security guard overheard a conversation last week, authorities said Wednesday. http://ift.tt/2CAFEom