A man who was on bail in a murder case, on Monday killed a woman and his son, who was related to the one whom he killed in 2019. The gruesome crime took place at Nenmara near here when 58-year-old Chenthamara who was on bail for the past two months on Monday morning stabbed to death his neighbour – 54-year-old Sudhakaran and his mother – 76-year-old Lekshmi.