Chandigarh, Feb. 12 -- With the court of special judge (CBI Court) Jagjit Singh sentencing former Punjab DSP Raka Ghirra to six years of rigorous imprisonment this week, a perusal of the 123-page judgment reveals how the statements of Prosecution Witness 6, Manmohan Singh, the DSP's reader and initially an accused in the case, were crucial, leading to the senior officer's conviction....