RG Kar rape-murder victim's mother and BJP leader Ratna Debnath said tower location of Abesh Banerjee, son of Mamata Banerjee's brother Samir (Kartik) Banerjee, was found at the spot. "They should also call him to investigate," she stated. "According to the postmortem report, my daughter died between 12 pm and 6 am. She was murdered," Debnath stated.