India, Nov. 30 -- It was a regular afternoon at the Rose Garden in Chandigarh's Sector 16 - one of the city's prime public places - when some people heard a scream from the women's toilet around 3.15 pm on Saturday, November 29. When they, along with traffic police personnel posted at the entrance, entered the toilet, they found a woman with her throat slit.

Here's what we know of the case that's turning out to be a mystery so far:

How was the woman found? A woman present nearby was asked to look inside by passersby who heard the screams. She found the woman motionless on the floor, soaked in blood, with a gash on her neck, apparently caused by a knife. The injured woman was still breathing faintly, but died within moments, police said....