The Central Bureau of Investigation (CBI) has formally launched a probe into the murder of journalist Rajdeo Ranjan, a police officer said on Saturday.
According to the officer, they have handed over all the documents related to the case to an eight-member CBI team, which reached Bihar's Siwan district on Friday.
The premier investigation agency of the country took over the case from the Siwan police, which had registered a case on May 13 this year, based on a FIR filed by the deceased's wife, Asha Ranjan.