DECATURVILLE, Tenn. -- Prosecutors say a third man has been charged with murder in the case of a slain Tennessee nursing student.

The Shelby County District Attorney's office said Wednesday that John Dylan Adams has been charged with premeditated first-degree murder and murder in the perpetration of aggravated kidnapping and aggravated rape of Holly Bobo.

Adams already faced two counts of rape related to the case, reports CBS affiliate WTVF.

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Adams' brother, Zachary Adams, and another man, Jason Autry, also face the same charges after new indictments were issued.

Zachary Adams and Autry already had been previously charged with murder and kidnapping.

Bobo was 20 when she was reported missing from her home in rural Parsons in April 2011. Her partial remains were discovered in September 2014 in a wooded area of Decatur County by hunters.

No trial date has been set.