reporter: monitoring the latest tweets are textbook preattack behaviors, like a half dozen to the charlie hesbo newspaper. is that a red flag? >> ablutely. >> reporter: do most average police departments know this? >> unfortunately, no. >> reporter: he says that's something 's going change. >> we are going to hire an employee this year to do nothing mu monitor maybes on social media. >> reporter: he decided to create tt positio after the school shooting in parkland, florida, in february. his department gets at least one threat call a day, 183 during th school year last year, most involve social oumedia. >> i like to see a strengthening of the statute. for us to get a criminal charge, the threat has to be extremely graphic,pointed, narrow, i'm going to come kill you. >> reporter: the departments thorough review will include the threats. >> you will see us s tweet to officers need to clap eyes on somebody. >> he e plans to approach his fellow police chief about legislation to give more latitude whe investigating threats. >> i have to be honest, i'm ustrated every day by what we can't do. we can't