India, Oct. 10 -- A fortnight ago, the Cuffe Parade police got a call from the Cama & Albless Hospital in South Mumbai, informing them that a mentally unstable 20-year-old woman in their care, who had been admitted with abdominal pain, was five months pregnant. The police went on to discover that she had been sexually assaulted by several people who took advantage of her disability.

Two people, whose names the police were able to get out of the woman, have been arrested and their DNA has been sent for analysis. Fifteen others, whose first names or descriptions were given by the survivor, are also under the scanner.

Given the limitations of the victim in clearly expressing herself, assistant police inspector Ashwini Patil, who is investi...