Joel Michael Guy, Jr., 28, was arrested after cops discovered the bodies of Lisa Guy, 55, and Joel Guy Sr., 61.
The couple”s bodies were found mutilated in containers of acid at their family home in Baton Rouge, Louisiana.
Detectives described the inside of the home as a “horrific, very gruesome crime scene”.
++ Inside killer”s homes ++
The acid was made up of drain cleaner, hydrogen peroxide, bleach, sewer line cleaner and other chemicals, local news source the Advocate reported.
There were no obvious signs of torture but the conditions of the body would make this hard to determine, Maj. Michael MacLean of the Knox County Sheriff”s Office said.
The incident is believed to have taken place over US” Thanksgiving weekend between Friday and Saturday.
Neighbours did not hear or witness anything at the time of the alleged murders, cops confirmed.
The couple had completed the sale of their home before they had died.
They had been supporting their son financially for nearly a decade, Kingsport Times-News reported.
He was charged with two counts of first degree murder.