Narayan Sahu, the accused detained in the sensational Cuttack serial murder cases, is under interrogation by the Commissionerate police to elicit information from him regarding the killings.
Sahu is undergoing marthon grilling by a five-member probe team at an undisclosed location.
Cops are trying to ascertain the motive behind the three murders allegedly committed by Sahu.
Police Commissioner Satyajit Mohanty said the accused had used a similar weapon of offence in all the three murders. He was identified on the basis of CCTV footage and forensic reports, Mohanty said.
On July 23 night, a 55-year-old daily wager namely Kodanda Rout was found dead with his throat slit near the Taladanda Canal in Ranihat under Mangalabag police station.
Next day, an elderly man was found with similar injury marks on his neck and head at Ranihat. Though he was rescued and rushed to SCB Medical College Hospital, he succumbed to his injuries while undergoing treatment.
On the very day, a 35-year-old man was found dead in a pool of blood under the OMP over-bridge. The body bore deep injury marks on the neck and head.