New Delhi, June 20 -- Union home minister Amit Shah on Friday said active use of technology across the entire chain of investigation, prosecution and conviction should be ensured. Speaking at the inauguration of the All India Fingerprint Conference-2026 organised by the National Crime Records Bureau (NCRB) here, Shah stressed that not only should the National Automated Fingerprint Identification System (NAFIS) be used for identifying criminals, but the database must be enriched by adding fingerprints collected from crime scenes. "There are numerous such cases where NAFIS has been of great help in simplifying even the most complex cases. But I still believe that NAFIS is being utilised only 10 per cent of the time. "The NAFIS should not be used just for finding criminals, it can succeed only when you enrich the NAFIS data through fingerprints obtained from every crime scene," the home minister said. It is a two-way system that is very useful in proving the criminal, but the crime can be proven only when data is generated, Shah said....