Samuel H. Kessler, 94, was found at his home located in the 8700 block of east State Road 234 near Lagoda, Ind. around 11:30 a.m. Sunday.
According to ISP investigators, a door of the residence was found ajar and upon entry to the home, Kessler was found deceased in his bedroom.
Evidence at the scene and a wound on Kessler's body suggested foul play may be involved.
ISP investigators also found evidence at the scene suggesting the home was ransacked, however it is not clear if anything was taken.
Detectives believe the crime occurred between 11 a.m. Saturday, January 28 and 11:24 a.m. Sunday, January 29.
An autopsy is scheduled for 1 p.m. January 30 at Terre Haute Regional Hospital.
Anyone that might know more about this death investigation is urged to contact ISP detectives at 765-567-2125.