LOUISVILLE, Ky. (WDRB) -- It was an especially tough day for the family of a missing Indiana University student.

Tuesday would have been Lauren Spierer's 21st birthday.

Her parents posted on Twitter "She's 21 today (Tuesday) & should be celebrating with her friends at Indiana University."

It goes on to say "Even though you weren't directly involved, you've known & remained silent."

Spierer was last seen June 3rd after a night out partying with friends.

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