Pallavi, wife of former Karnataka DGP Om Prakash, reportedly threw chilli powder on his face before stabbing him to death, news agency PTI reported citing sources.
Prakash was found dead in the ground floor of his house in Bengaluru's HSR Layout on Sunday.
The cops have detained Pallavi as she emerged as a key suspect in the murder of the former top cop. Additionally, their daughter Kriti has also been detained.
Prakash's wife after throwing chilli powder stabbed him multiple times as he struggled for relief from the burning sensation, sources said.
She then reportedly made a video call to her friend an said, "I have killed the monster".
Sources further claimed that there was a property dispute involved in the crime pertaining to a land in Dandeli in Karnataka.
A few months ago, Pallavi had approached the HSR Layout police station to lodge a complaint and staged a 'Dharna' (sit-in demonstration) in front of the police station when the FIR wasn't filed.
It's also learnt that Pallavi was diagnosed with schizophrenia and was under medication too.
The 68-year-old retired IPS officer was a native of Champaran, Bihar, and held a Master's degree in Geology.
The 1981 batch IPS officer was appointed Director General of Police on March 1, 2015.
Discover the latest Business News, Sensex, and Nifty updates. Obtain Personal Finance insights, tax queries, and expert opinions on Moneycontrol or download the Moneycontrol App to stay updated!
Find the best of Al News in one place, specially curated for you every weekend.
Stay on top of the latest tech trends and biggest startup news.