PUNE: A security guard posted at Lohagad Fort's ticket counter on the morning of June 18 may have been among the last people to observe all three key figures in the Ketan Agarwal murder case — and what he saw, pieced together in hindsight, captures the cold choreography of a killing hiding in plain sight.

A hooded man trailing a couple on CCTV and a phone left behind at an office led Pune police to solve the chilling murder of businessman Ketan Agarwal.

PUNE: A security guard posted at Lohagad Fort's ticket counter on the morning of June 18 may have been among the last people to observe all three key figures in the Ketan Agarwal…