The CBI on Tuesday questioned Deva Ram Saini, OSD to Rajasthan Chief Minister Ashok Gehlot, in connection with the alleged suicide by state police officer Vishnudutt Vishnoi in Churu on May 23, officials said. A team of special crime unit of the CBI from Delhi is in Jaipur to record statements in connection with the death of Vishnoi, who was SHO of Rajgarh. His body was found hanging from the ceiling of his official residence in Churu, officials said.