She was a sophomore at the University of Scranton in January 2009 when the "bizarre" behavior began, said her father, Bill.
Her parents noticed that she had been rambling, not making any sense. At one point, she called her family and friends to warn them: Something terrible was going to happen to all of them.
"Emily was like a different person. We didn't know who she was," Bill Gavigan said. "We had gone from having this daughter who was perfectly normal, happy, vibrant ... with a bright future ahead.
"All of a sudden, this all came crashing down."
