After Congress leader Digvijay Singh claimed that Maharashtra Anti Terrorism Squad (ATS) chief Hemant Karkare chief, who was killed on 26/11, had told him about threats to his life from anonymous callers because he had held Hindu right-wing activists like Pragya Singh Thakur for the Malegaon blast, Hemant Karkare's wife, Kavita Karkare, has reacted very strongly.