CCTV footage revealed that senior journalist Jyotirmoy Dey was tailed closely by his motorcycle-borne assailants. He was shot dead in suburban Powai on June 11.
Dey was driving a motorcycle when he was fired upon by gunmen near the Spectrum Building in Hiranandani area of the upscale suburb.
Four attackers on two bikes followed the 56-year-old MiD-Day crime reporter before closing in and executing their plan, showed the footage, aired by some news channels.
However, the murder was not captured by the CCTV cameras installed at D-Mart, a shopping centre in the area.
Another piece of footage showed panic-stricken people moving near the Spectrum Building after the attack.