A man killed his mother before ending his wife in Hosa Yallapur of Dharwad on Sunday.
The bodies of 60-year-old Sharada Bhajantri and her 40-year-old son Rajendra Bhajantri were found in their house in Udupi Nagar Colony.
Police suspected that Rajendra Bhajantri hacked his mother to death before ending his life.