Besides the statement of the victim and other evidences, voice spectrographs of three persons accused of gangraping a class XII girl will be one of the most important evidence to nail the perpetrators ...

Principal Scientific Officer at the Central Forensic Science Laboratory, Rajinder Singh, speaks to Hindustan Times about the procedure involved in investigating these tapes. He said, "The facility for ...

The CBI has taken the voice samples of its sacked public prosecutor A K Singh and Managing Director of Unitech Sanjay Chandra for matching them with the audio tape purportedly carrying conversation ...