How Round Rock ISD tracks threats from social media

ROUND ROCK, Texas (KXAN) — Students who knew Nikolas Cruz, the teenager who opened fire on a Florida high school, recall his Instagram posts about killing animals and posing with a gun. Those are the kinds of posts Round Rock Independent School District administrators are looking for on the internet.
The district partners with Social Sentinel, a company that searches for threatening words on social media. If the threat mentions a Round Rock school or if the person making the thre