The parents of missing Indiana University student Lauren Spierer told Katie Couric they're frustrated that the last people to see their daughter haven't come forward with details about her ... more 
The parents of missing Indiana University student Lauren Spierer told Katie Couric they're frustrated that the last people to see their daughter haven't come forward with details about her disappearance. less 
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Mon, Dec 3, 2012 6:10 PM EST