John 18:5 Meaning

3Judas then, having received a band of men and officers from the chief priests and Pharisees, cometh thither with lanterns and torches and weapons.

4Jesus therefore, knowing all things that should come upon him, went forth, and said unto them, Whom seek ye?

5They answered him, Jesus of Nazareth. Jesus saith unto them, I am he. And Judas also, which betrayed him, stood with them.

6As soon then as he had said unto them, I am he, they went backward, and fell to the ground.

7Then asked he them again, Whom seek ye? And they said, Jesus of Nazareth.