Judges 20:36
So the children of Benjamin saw that they were smitten: for the men of Israel gave place to the Benjamites, because they trusted unto the liers in wait which they had set beside Gibeah.
Cross-reference
Joshua 8:15–29
Parallel
In Joshua 8:15-29, Israel uses the same ambush tactic at Ai — feigning retreat to draw out the enemy.
Joshua 8:4
Parallel
In Joshua 8:4, the ambush is set behind the city — mirroring the tactic used here against Gibeah.
Joshua 8:16
Parallel
In Joshua 8:16, the enemy is drawn out by feigned retreat, exactly as Benjamin is drawn out here.