28-year old Dinesh Kumar was found hanging from the ceiling at his house in Kothagiri under mysterious circumstances, they said.
The death comes more than two months after one of the security guards at the estate bungalow near here was murdered by a gang on April 24 and a suspect died later in road mishap. Another suspect in the breakin-cum-murder was seriously injured in a road accident, that left his wife and daughter dead.
Family sources said Kumar and some of the other staff in the estate were reportedly discussing two days ago about the fate of their jobs with the likely change in management of the sprawling estate.
Police said they were also investigating whether there was any family dispute behind the death of Kumar.
The Kodanadu estate figures in the disproportionate assets case involving jailed AIADMK general secretary V K Sasikala and late Jayalalithaa, among others.
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