"It's like the hidden enemy, and I suspect there's more anxiety to deal with."

At first, his thought was one of hidden enemies.

"The woman you killed tonight is not the hidden enemy you need fear most."

Tonight he had thwarted the first of his hidden enemies.

There was one way to meet that hidden enemy.

As an old military person, I watch for the hidden enemy.

All the evidence is that the city is empty, and still I watch against the hidden enemy.

There was nothing to indicate the presence of hidden enemies.

"Come on and show yourselves," he whispered to his hidden enemies.

Appeared in the original game as a hidden enemy.