November 20, 2014 4:50 pm

More on Social Media App Yik Yak

The threat at Torrey Pines was posted on the website Yik Yak. The app and website were intended to be an outlet for college students to anonymously share their thoughts, but some say it has turned into a medium for cyber bullying and threats. NBC 7 Investigates Reporter Mari Payton has more.

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