This weekend saw the release of Talvar, a film based on the sensational Arushi Talwar murder case in which the teen’s parents, Rajesh and Nupur Talwar were found guilty of killing her and are now in jail. Even though the Central Bureau of Investigation or CBI wanted to file a closure report in the case, no one from the premier investigating agency has ever spoken about the fact that the CBI team which first handled the case had said that it wasn't the Talwars but their servants who killed Aarushi. The second CBI team which took over went back to the theory presented by the Noida Police that the parents had committed the crime - Rajesh Talwar, on finding his daughter and their domestic help Hemraj together, flew into a rage and murdered them. NDTV speaks to Arun Kumar, the CBI officer who first handled the case. Mr Kumar, who is now with the Central Reserve Police Force, has never spoken to the media earlier about the case.