The Tennessee Bureau of Investigation announced on Sept. 8 that a human skull found in Decatur County belonged to missing nursing student Holly Bobo, who disappeared from her family home over three years ago.

Zachary Adams, a Tennessee man, has been charged with kidnapping and murdering Bobo, officials announced March 5, 2013. Bobo was 20-years-old when she disappeared from her home in Parsons, Tenn. in April 2011.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Holly Bobo is seen here in an undated personal photo.

Elizabeth Smart, left, sits with family members of missing Tennessee woman Holly Bobo at Scotts Hill High School on Aug. 27, 2012, in Scotts Hill, Tenn. Holly Bobo's mother Karen Bobo is sitting next to Smart, brother Clint Bobo is second from right, and father Dana Bobo, is at right.

Elizabeth Smart makes a speech at Scotts Hill High School, where missing Tennessee woman Holly Bobo graduated from, on Aug. 27, 2012, in Scotts Hill, Tenn. She told Bobo's friends and family to keep searching for Bobo and don't give up hope she is alive.

Elizabeth Smart makes a speech at Scotts Hill High School, where missing Tennessee woman Holly Bobo graduated from, on Aug. 27, 2012, in Scotts Hill, Tenn. Smart, now 24, was abducted in 2002 at age 14 and was held for nine months before she was found just miles from her Utah home.