Ghaziabad, May 30 -- The Ghaziabad police investigating the murder of Noida police constable Saurabh Kumar during a raid at Nahal village on May 25 night, has hit a roadblock with no CCTV footage emerging about the scene of crime where the cop is believed to have been shot, investigators said.

Sleuths said the constable fell off a motorcycle moments before the incident. "Saurabh was driving a bike. Moments later, the bike hit a speed breaker on the road, and this was the moment when Saurabh sustained a gunshot. The bike fell, as did Saurabh and other constables. He fell several feet away after the speed breaker," said an officer attached to the case investigation.

Police have maintained that the autopsy report has suggested that Saurabh...