"During investigation so far Ansari, who is currently lodged in Agra jail, has not been found involved in any criminal conspiracy in the murder of Satish Singh, who was shot dead in Varanasi on July 3," IG (Law and Order) R K Vishwakarma told reporters here.
In the probe, the involvement of Indradeo Singh alias BKD and Satish Singh in the murder has been found, the police official said.
Satish (45), who was a history sheeter, was shot dead by four motorcycle borne persons while he was going to buy newspaper in Darhara Bazar in Chaubeypur area.
The FIR against the MLA, Sudhir Singh and Atul Rai has been lodged under section 120 B (criminal conspiracy), Vishwakarma said, adding others were booked on the charges of murder.