Intrepid octopus investigator risk sasquatch eating, discover secret human program to follow, spy on octopus with ROV-like robot. Human document admit intent:
...We want to design a mini-robot that will carry a video camera, follow an octopus around under the water, and always keep the animal in the camera's viewfinder. Since the robot will act like a Private Eye and tail the octopus everywhere, we think it should be called Shadow.
Human ROV casing octopus home? Human ROV take salmon information box? Evidence conclusive: octopus not senile. Octopus innocent victim of vast human burglary conspiracy. Human caught in act, engage in cover up. Watergate! Watergate! Watergate!