New Delhi, Sept. 17 -- While leaving town on Saturday with a childhood friend, 28-year-old Sandeep Singh, a schoolteacher, told his wife Sandhya, 27, that their printer needed fixing. He said he would arrange for some "tech support guys" to come home and pick it up.

On Sunday, as expected, two men arrived at the couple's house in Ranhola and said they had come to fix the printer. Sandhya allowed them inside and continued with her daily chores as they busied themselves with the printer.

But what appeared to be an innocent errand turned out to be something far more sinister.

One of the two men, after pretending to work on the printer for around 45 minutes, suddenly took out a gun and started shooting Sandhya. Police said she was shot sev...