Bloomington police said he inquiry into Illinois remains were routine procedure.
The Spierers have increased the amount of the reward to $250,000 for information that could lead to the finding of their daughter.
Lauren Spierer's parents say they are disappointed at official's decision to remove a "Find Lauren" button from Indiana University's homepage.
Lauren Spierer was 20 years old when she disappeared last June. Tuesday marked her 21st birthday.
The Bloomington Police Department has reaffirmed its commitment to the Lauren Spierer case six months after her disappearance.
The parents of missing student Lauren Spierer say this Thanksgiving season, they are thankful for the people who have shown continual support.
Jay Rosenbaum has spoken with Lauren Spierer's parents and has denied all involvement.
Excise police are cracking down on underage drinking following the disappearance of IU student, Lauren Spierer.
Lauren Spierer's mother says she will never give up the search for her daughter.
Twenty-year-old IU student Lauren Spierer disappeared June 3, 2011. Despite ongoing investigations and large community support, Lauren has not yet been found.