article_snippet.sent: Indiana University student Hannah Wilson, 22, was last seen at about 1am on Friday.
article_snippet.sent: Wilson's death comes four years after Indiana University student Lauren Spierer went missing in 2011.
article_snippet.sent: This isn't the first time, however, a woman has gone missing from IU's campus.
article_snippet.sent: Lauren Spierer was 20 years old when Lauren Spierer went missing in 2011.
article_snippet.sent: Jill Behrman disappeared after going for a bike ride in 2011.
highlights_snippet.sent: Hannah Wilson, 22, was last seen in Bloomington at about 1am on Friday .
  
highlights_snippet.sent: She died after being struck in the back of the head multiple times by an unknown object .
  