The rules didn't stop Kristin from beginning an online relationship with 27-year-old Kylie Ryan Bowers, who lured her to a motel room to have sex with her.
Kristin became clinically depressed and took her own life at the age of 16. Since her death, Danielle has made it her mission to help other parents keep their children safe on the Internet.
Get the tips Danielle wants every parent to know:
It can happen to anyone
Learn the technology
Don't let your children be naive