The officer noticed that the defendant was having difficulty standing.

At passport control the officer noticed a mother and a father with their son.

I often met that officer afterwards in the street and noticed him very carefully.

He was later stopped when an officer noticed smoke coming from a flat tire.

Would the words slide by without the officers' fully noticing what he'd just said?

Neither the captain nor the first officer had noticed, but they did now.

The officers behind the table noticed me and glared in my direction.

I couldn't know what the officers on the scene might have noticed.

But the officer noticed they weren't eager to say much.

If someone had tried to approach the safe house, the officers would have noticed.