New Delhi, July 21 -- Over 90 Instagram messages between a woman and her lover exposed a chilling murder plot involving the woman's husband in the Uttam Nagar area of Delhi's Dwarka, police sources said on Sunday.

According to preliminary investigations, Sushmita allegedly drugged Karan by giving him sleeping pills at their residence and waited for him to die. "However, when he did not pass away as she expected, she started messaging Rahul," the source mentioned.

Investigations further revealed that Sushmita allegedly mixed around 15 sleeping pills into Karan's food on the night of July 12 and later called Rahul to come over to help electrocute her husband.

"After the murder, Sushmita allegedly rushed to her in-laws' house nearby, tellin...