Rohit Shekhar, the son of former Uttarakhand and Uttar Pradesh CM, late ND Tiwari, was murdered by his wife Apoorva Shukla who confessed to the crime, police said on Wednesday. "Till now no evidence has been found regarding someone else's involvement," police added. Earlier today, police arrested Apoorva and said that she murdered Rohit and destroyed evidence within 90 minutes.