The Delhi woman, whose live-in partner allegedly murdered her and stored her body in the fridge in an incident similar to the Shraddha Walkar murder case, was strangled with a data cable, police sources said today. Sahil Gehlot, who was arrested, has confessed to killing his girlfriend Nikki Yadav, 23, and also led the police to her body, they added. He has been sent to five-day police custody.