Sanjay Roy is currently the only suspect in the rape and murder case of an RG Kar Hospital doctor. Despite his claims of being framed, DNA evidence and CCTV footage implicate him. The CBI has questioned nearly 100 witnesses and performed multiple polygraph tests as part of their investigation, while awaiting final forensic reports from AIIMS Delhi.
Kolkata rape-murder: 12 polygraph tests, 100 statements later, Sanjay Roy only accused
