what to do. >> they're not partaking in the meanness. >> they're not liking. >> they don't want to be contributing to it. positive, pro, but con is they're not stopping it. >> you guys good? >> reporter: i go in to tell the girls what's really happening. >> oh my god. >> reporter: and they tell me something we didn't know. they were texting each other, having a private conversation we couldn't see. >> i said, "i know, right? it's a little intense." >> i said, "seriously?" and then i wrote #bullies. >> reporter: they tell us what a lot of kids told us tonight. they felt bad for our victim, but couldn't find the right words to confront the bullies. something even adults can relate to. >> i think that there's no age limit on when we face these issues and learn how to deal with them better. >> reporter: would we as parents know what to do? >> i was stunned. i was in shock. >> reporter: we decided to turn our hidden cameras on the adults.