ARA, Dec. 26 -- The mystery surrounding the murder of Jharkhand Police constable (havildar) Pashupati Nath Tiwari has been unravelled, officials said.

Police said the murder was committed at Bhagwatpur village, under the jurisdiction of Chandi police station, on December 20. The constable was allegedly murdered by his son, who was addicted to drugs, along with a friend, in an attempt to secure a job on compassionate grounds.

To destroy evidence, the accused allegedly threw the sharp weapon used in the murder and other items, including a blood-stained jacket, into the Sone River. Both the accused were arrested on the basis of technical evidence, police said.

The arrested persons have been identified as Vishal Kumar Tiwari, the constable...