India, Oct. 29 -- It was supposed to be the 'perfect murder' - a crime so well-planned that even the investigators would believe it was an accident. A forensic science student, armed with academic knowledge and an obsession with crime web series, murdered her live-in partner in Delhi. She thought she had found the perfect formula to cover up the killing.

But, she didn't account for one thing - science works both ways.

The woman and her accomplices, including her ex-boyfriend, strangled her 32-year-old live-in partner to death in his north Delhi flat earlier this month. Then, using a deadly mix of oil, ghee, and alcohol, they set his body on fire to make it look like a cylinder explosion.

Her background in forensic science made her conf...