India, Feb. 27 -- LUCKNOW As the probe progresses in the blue drum murder case that stunned the city, police are now examining the call detail records (CDR) of Akshat Singh, 21, accused of killing his father Madhvendra Singh and concealing the body inside a plastic drum at their residence.

According to investigators, he allegedly shot Singh to death on February 20, following a heated argument, and later stuffed the body into a blue plastic drum in an attempt to cover up the crime and disposed of parts of the body in a remote area.

Sources close to the probe said soon after the murder, Akshat made multiple phone calls to his close friends. Police believe these conversations could prove crucial in understanding whether anyone had prior kn...