A prosecutor is opening up about who he thinks is responsible for the disappearance of Lauren Spierer, an Indiana University student who vanished six years ago.

Brown County Prosecutor Ted Adams said he believes all signs point to Daniel Messel.

Messel was convicted in 2016 for the murder of IU student Hannah Wilson.

Adams said he believes Messel was also connected to several other incidents involving college-aged women who reported identical vehicle descriptions.

Adams said this is only his opinion.

The Spierer family has so far declined to comment.

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(This story was originally published November 8, 2017)