This is the most time consuming achievement in the game and it is achieved by:
- Arrest all 63 criminals. (Red arrow on HUD) [Pit maneuver hold & gun damage arrests are both fine.]
- Uncover all 120 locations. (Small magnifying glass icon on HUD) [These can be found by driving around the map or by stealth following criminals to locations]
- Install all 155 cameras. (Camera icon on HUD) [Stop inside any red circle with a camera icon to install a camera]
- Activate all 6 informants. (Large magnifying glass icon on HUD) [Gained through story progression]
Your current progress (%) and statistics towards this achievement can be seen on the main Career mode selection screen.