A 34- year old software engineer Sumit Kumar allegedly murdered his wife and three children at their home in Ghaziabad’s Indirapuram and sent a confessional video to a family group on WhatsApp, said police. Sumit, who fied after the murder, also said that he has purchased potassium cyanide to kil;l himself. He had been going through a financial crisis, a relative said. (UNI)