SOURCES (not in order)
On 2015 man seen on property & Sills’ “botched robbery extortion” belief:
Mystery man emerges in year-old Ga. beheading case
On Sills relationship with GBI:
Putnam County murder mystery: Why the sheriff won’t ask the GBI for help
On physical evidence at Dermonds house:
Who Killed Russell And Shirley Dermond? New Details On The Unsolved Murder Of The Georgia Couple
On physical evidence and last days of Dermonds:
GONE COLD | The murders at Lake Oconee: 4 years later, elderly couple’s son opens up
On security cameras and investigation process:
New details as mystery reigns in year-old Dermond lake murders
On theories and profile:
Evidence elusive, but theories narrow in Eatonton murder…
Obituary for Russell Dermond
Russell J. Dermond Obituary – Visitation & Funeral Information
Obituary for Shirley Dermond
Mrs. Shirley Dermond Obituary – Visitation & Funeral Information
General Summary of Events:
The Macabre Murders of Russell and Shirley Dermond
Reddit thread with links & conspiracy theories:
What happened to The Dermonds? : UnresolvedMysteries
Timeline of Events:
Timeline of 2 Murders: How the Killings of Russell and Shirley Dermond Unfolded
On Sheriff Sills & profile:
News reports from after Russells murder, before Shirley was found:
Man, 88, Beheaded, His Wife Missing From Home in Gated Georgia Community
Decapitation mystery | Russell Dermond was World War II vet,…