Professor studies Twitter threats of girl gang killer in Chicago(04) Save Image Image gallery: How Gakirah Ki Barnes Became The Internet’s Hottest Topic
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%2Fcdn.vox-cdn.com%2Fuploads%2Fchorus_asset%2Ffile%2F16088312%2Fax064_0eeb_9.jpg "Professor studies Twitter threats of girl gang killer in Chicago")
