Two Cold Case Murders From 1979 In Florida Have Been Solved. Investigators Say Former Deputy John Greer Is Allegedly Responsible For Killing His Wife Jackie And 25-Year-Old Adele Easterly. Greer Was Tracked Down Living In A Kingsport, Tennessee Nursing Home In 2016. While Greer Admitted Involvement, His Poor Health Meant He Would Never Stand Trial. Greer Died Shortly After Being Interviewed By Detectives. The Decades-Old Murders Are Now Officially Closed Cases.