Environmental engine
Water contamination, groundwater logic, municipal pressure.


Not under this gradient.
In Blackwater, Iowa, a contamination plume moves where it should not, a municipal technician dies, and Ethan Vale’s team uncovers the first Helix-linked clue.
Water contamination, groundwater logic, municipal pressure.
The case that proves the official explanation is not enough.
A manufactured crisis designed to redirect control of water infrastructure.
Get to know the recurring investigators, or explore the other cases in reading order.