A teen student is behind bars Saturday afternoon after deputies say he made threats on social media to start a shooting in Pinellas County. The 13-year-old was charged with written threats to kill or conduct a mass shooting. The teen sent messages in a group chat via Snapchat telling another student that he was going to take part in a shooting that would occur at Carwise Middle School in Palm Harbor, the Pinellas County Sheriff's Office said in a news release. MORE: https://www.wtsp.com/article/news/crime/carwise-middle-school-student-arrested-shooting/67-56d21c39-ecd8-4ccd-8ae5-e580ec3bccd5 ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay