Judges 3:19-21
But he himself turned again from the quarries
that were by Gilgal, and said, I have a secret errand unto thee, O king:
who said, Keep silence. And all that stood by him went out from him.
And
Ehud came unto him; and he was sitting in a summer parlour, which he
had for himself alone. And Ehud said, I have a message from God unto
thee. And he arose out of his seat.
And Ehud put forth his left hand, and took the dagger from his right thigh, and thrust it into his belly: