"We had fallen into the trap up to our necks."What does elie mean by these words

Elie is referring to his whole world is collapsing. They were caught into the trap of the Nazis. They believed that they were being transported to safety but now they knew the truth.

’There are eighty of you in the car,’ the German officer added. ‘If anyone goes missing, you will all be shot, like dogs.’

How do madame Schaffer's screams act as foreshadowing

What page is that on ?