Chapter 9 James starts investigating his house for any possible intruders.

The tunnel system also serves as a secure way to keep the school safe from possible intruders.

The dogs are trained to defend their post and attack any possible intruders.

Without any hesitation, he had gone off to confront a possible intruder.

But it was sufficient to be recorded formally as a possible intruder.

The patrol car was looking other places for possible intruders.

It was depressing to think of her friends as possible intruders.

He ran down the short list of possible intruders: the few who knew he was here.

You need to secure your work zone from a possible intruder.

However, our long-range sensors have picked up a possible intruder entering the system.