Hillsborough County Sheriff's Office deputies arrested an 18-year-old Sunday at his home for threatening to start a mass shooting at a nearby school, the agency said. Detectives say they received a tip and found that Corey Anderson posted pictures of himself with a handgun, rifle and tactical-style vest, deputies say. The photo was shared with the caption "Hey Siri, directions to the nearest school," a news release stated. MORE: https://bit.ly/3wTwIZv ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay