What were the forces at the heart of human darkness?

They haven't had to run for their lives under cover of darkness.

No one could get out any longer, not even under cover of darkness.

He was less likely to be seen under cover of darkness.

Her family asked no questions then, in those hours of darkness and fear.

He would have to line up the shot in the cover of darkness.

The men would come again, probably under cover of darkness.

What could go wrong with less than an hour of darkness left?

And a new kind of darkness he'd never seen before.

Instead he'd brought her into a world of darkness, and so far all she'd known had been fear.