'Smothered with plastic bags': Mystery surrounds Surat techie’s death

Police are still searching for the killer of Nidhi Patel, a computer engineer. She was found dead in her home, and investigators have no strong leads. A special investigation team was formed to probe the baffling case further. No signs of forced entry suggest the attacker was known to the victim. The victim was allegedly strangled and sexually assaulted while alone at home.