You're kidding, right? Have you bothered to look into any of the news stories about this? Megan sent out some pretty racy texts over a long period of time.

Ockham's Razor says that the simplest explanation is usually the correct one. Ockham's Razor suggests that Megan sent these herself and odds are that she did.

Besides, are you aware that she was texting like this to multiple students? Perhaps you're one of them and your parent just didn't find out yet?