Johnson City Authorities Say The Circumstances Surrounding The Death A Woman At The John Sevier Center Over The Weekend Are Suspicious. Sgt. Kevin Peters Said An Autopsy Will Be Performed This Week On 72 Year Old Mary Greenwell Who Died Monday Morning. According To Peters, The Woman Suffered Head Injuries That Either Occurred From Being Struck Or From A Fall. Peters Said They Are Awaiting The Autopsy Results In The Case.