New Delhi, July 14 -- A 35-year-old mathematics tutor who coached aspirants for Staff Selection Commission (SSC), Combined Defence Services (CDS) and bank recruitment examinations has been arrested for allegedly working as an informer for the Lawrence Bishnoi-Harry Boxer gang and conducting reconnaissance to facilitate an extortion bid targeting a Delhi businessman, police said on Monday.

The accused, identified by police as Amit Bishnoi, taught at coaching centres in Mukherjee Nagar, a hub for competitive examination aspirants. He was arrested by a team of the Delhi Police's Special Cell led by DCP Praveen Kumar Tripathi on Thursday.

According to police, Amit allegedly surveyed the office of a businessman, recorded videos of the premis...