Just simple phrases.
What you see in them is up to you.
You see them on the streets.
You stand next to them on the streetcar.
You watch them get off the streetcar.
They have a very shifty gaze.
You go about your business.
You get home.
You click on the TV.
A murder happened.
Now that the scene was set, let's look back at the person you stood on the streetcar with. Describe what you saw.