The spirit of the Lord came upon him, and he judged Israel; he went out to war, and the Lord gave King Cushan-rishathaim of Aram into his hand; and his hand prevailed over Cushan-rishathaim.
So the land had rest forty years. Then Othniel son of Kenaz died.
The Israelites again did what was evil in the sight of the Lord; and the Lord strengthened King Eglon of Moab against Israel, because they had done what was evil in the sight of the Lord.
In alliance with the Ammonites and the Amalekites, he went and defeated Israel; and they took possession of the city of palms.
So the Israelites served King Eglon of Moab eighteen years.
But when the Israelites cried out to the Lord, the Lord raised up for them a deliverer, Ehud son of Gera, the Benjaminite, a left-handed man. The Israelites sent tribute by him to King Eglon of Moab.
Ehud made for himself a sword with two edges, a cubit in length; and he fastened it on his right thigh under his clothes.
Then he presented the tribute to King Eglon of Moab. Now Eglon was a very fat man.
When Ehud had finished presenting the tribute, he sent the people who carried the tribute on their way.
But he himself turned back at the sculptured stones near Gilgal, and said, "I have a secret message for you, O king." So the king said, "Silence!" and all his attendants went out from his presence.
References for Judges 3:19
Ehud came to him, while he was sitting alone in his cool roof chamber, and said, "I have a message from God for you." So he rose from his seat.