But they won't identify the hoaxer

Minnesota high school student who was falsely accused of sending racist Instagram messages to a black classmate fears for her safety despite officials confirming they were a hoax

• Avery Severson said she fears for her safety after the false accusation
• She was trying to start conservative student club at White Bear Lake High School
• After police and FBI investigation, officials said the messages were a hoax
• Student behind the slurs wanted to 'raise awareness of social and racial injustice'
• Authorities refuse to confirm the identity of the student behind the messages
• Superintended later apologized for using word 'hoax' saying he never intended to 'minimize the impact that racism or racist acts has on students'