Breaking: More than 600 copycat threats targeted schools in the two weeks after the Parkland, Fla., school shooting, according to data reviewed by USA TODAY

Having trouble viewing this email? | View it in your browser   The dramatic rise in threats during that period - from 10 to about 70 a day - was compiled from reports by the USA TODAY Network and the Educator's School Safety Network. It has left school administrators and authorities walking a fine line in dealing with a threat's credibility. FOR MORE ON THIS STORY, GO TO:   USATODAY.COM     Help | Advertise | Home Delivery | Privacy Policy - Your California Privacy Rights     © 2017 USA TODAY, a division of Gannett Satellite Information Network, LLC. 7950 Jones Branch Drive, McLean, VA 22108