1 Samuel 26:4

Overview - 1 Samuel 26
1	Saul, by the discovery of the Ziphites, comes to Hachilah against David.
4	David coming into the trench stays Abishai from killing Saul, but takes his spear and cruse.
13	David reproves Abner;
17	and exhorts Saul.
21	Saul acknowledges his sin.

1 Samuel 26:4  (King James Version)
David therefore sent out spies, and understood that Saul was come in very deed.