Predator or prey? The confounding case of the missing sea eagle

The UK's biggest bird of prey has been compared to a flying barn door. So how can one fitted with a satellite tracker disappear in prime grouse-shooting country?

The six police officers arrived at the Snilesworth estate in two pickup trucks last week, according to one account. They asked to go up on the moors, a source said, and so off they went".

A vast expanse of spectacularly undulating lands on the western edge of the North York Moors, Snilesworth is globally renowned for its grouse, partridge and pheasant shooting. It is known locally for attracting rich people from London in helicopters and blacked-out SUVs".