Vijay Salaam was stabbed to death by an alleged Naxalite, in Pewadi village of Bhanupratappur area, Superintendent of Police Rahul Bhagat told PTI.
Salaam was dismissed from the district police force in 2007 accused of being involved in loot and dacoity cases in the area, he said, adding, he was allegedly involved in several other cases as well.
A pamphlet recovered near his body stated Maoists have taken revenge on him for killing a Naxalite earlier, the police said.