NEET UG paper leak case: Why a missing professor and his WhatsApp message are key to the investigations

The NEET-UG question paper leak case saw significant developments as Bihar Police's Economic Offences Unit apprehended six more individuals in Deoghar, Jharkhand. This led to a total of 19 arrests related to the case amidst widespread protests across India. A missing professor is said to have sent the NEET-UG question paper exam papers to a gang via WhatsApp.