article_snippet.sent: School safety experts have reported a 'worrying increase' in e-terrorism, where threats are sent electronically - sometimes from thousands of miles away.
article_snippet.sent: Researchers found that about one-third of cases involved violent remarks sent anonymously via text message, social media, email or other online means.
article_snippet.sent: However, authorities say the majority of the time  threats turn out to be hoaxes.
article_snippet.sent: Complicating matters, the threats aren't just coming from within school walls or even a school's neighborhood.
article_snippet.sent: The motivations of the threat makers vary, just as The motivations of the threat makers did a generation ago when bomb threats were called in by pay phone: avoiding a test, revenge or simply to show off.
article_snippet.sent: Applications such as Burnbook, Afterschool, Yik Yak, Whisper and Kik also have been used by students to make threats anonymously.
article_snippet.sent: Meanwhile, social media and other electronic means of communication are keeping parents informed about threats.
highlights_snippet.sent: Researchers found that about one-third of cases involved violent remarks sent anonymously via text message, social media or other online means .