. >> reporter: this is a meeting lake placid middle school principal chris dodi never wanted to hold but had to. >> one student says to me everyone does it. it's concerning to me. >> reporter: the sheriff's office started the month with one cell phone. the number jumped to 20 and full blown investigation for children ages 12 to 14. >> it turned into a video that was passed among other students and shared with other students. and social media was used to bully that student. >> reporter: for some parents the presentation was eye- opening. >> parents need to see what they are doing. >> it was disturbing, and i was hurt, to tell the treutd. >> we talked about it and she knows it's wrong and she's more sad about it than -- she feels sorry for the girl because she knows it will never go away. >> >> reporter: dodi says parents have an obligation to police their children. >> i think if we don't educate parents and kids we're going to have kids that are eventually going to get tried and convicted of child pornography, eventually. >> i don't have them on facebook on twitter. they don't have ac