An investigation into the Mumbai BMW hit-and-run case revealed that the woman was dragged for 1.5 km by Shiv Sena leader Rajesh Shah's son Mihir, an official said. "Mihir and [driver Rajrishi Bidawat] stopped the car...and removed the woman who'd got entangled in...vehicle's tyre. Bidawat then took...driver's seat and ran the car over the victim while reversing," the official added.