India, Feb. 25 -- LUCKNOW As the blue drum horror in Ashiana continues to send tremors across the city, investigators are closely examining the contradictory statements and "unusually calm" conduct of family members who were inside the house when the killing allegedly took place.

From the time when Manvendra Singh was allegedly shot dead, until the arrest of his 21-year-old son Akshat Singh, several actions and claims by those present in the four-storey Sector L residence have raised eyebrows, said police sources.

Investigators are piecing together the timeline of events inside the house and examining whether anyone else had prior knowledge of the crime. While no other family member has been named as an accused so far, police said all a...