The five went back to Micah’s chapel (Micah’s house, Judges 18:18) and took the ephod, teraphim, etc., and brought them to the gate where the priest was talking to the 600 men.
Related Commentaries of Judges 18:17
Judges 18:17
17 And the five men that went to spy out the land went up, and came in thither, and took the graven image, and the ephod, and the teraphim, and the molten image: and the priest stood in the entering of the gate with the six hundred men that were appointed with weapons of war.