Transcript for Rebecca Sedwick, 12, Commits Suicide After Being Allegedly Bullied at School and Online
And tonight, a sheriff in florida has done something extraordinary. He said, it is time to toughen our approach to young bullies. They should stand and be sentenced. He's issued a wakeup call to parents everywhere, saying parents have to watch out when their children use words as weapons. Here's abc's matt gutman. Reporter: The sheriff's message was clear -- words can kill. There were statements that said, "you should drink bleach and e. Nobody likes you." Reporter: The polk county sheriff's office is charging a 14-year-old and in an unprecedented move, a 12-year-old for felony aggravated stalking. The girls, charged as juveniles allegedly terrorized 12-year-old rebecca sedwick, who committed suicide last month. Was this a contributing factor to her jumping off the cement towers on that fateful day? We believe that it certainly contributed. Reporter: Naming the minors and brandishing their pictures the sheriff said the tipping point for the arrests were these comments, one of the suspects allegedly posted saturday. ", I bullied rebecca and she killed herself but I don't give a --" and you can add the last word yourself. Reporter: Sedwick's family said the abuse started here at this school. And when sedwick's mother pulled her from the school, the abuse poured in online. Up to 15 girls ganging up on rebecca. She should be here. She should be here to see justice getting served. Reporter: The sheriff sending a message to would be bulliers and their parents. If you don't discipline your children and if it rises to the level of a violation of law, don't worry. We'll discipline them for you. Reporter: Matt gutman, abc news, lakeland, florida.
This transcript has been automatically generated and may not be 100% accurate.