1 Samuel 26:4-5

26:4 David sent scouts and verified that Saul had indeed arrived. ¹ 

26:5 So David set out and went to the place where Saul was camped. David saw the place where Saul and Abner son of Ner, the general in command of his army, were sleeping. Now Saul was lying in the entrenchment, and the army was camped all around him.

[26:4]  ¹ tn Heb “and David sent scouts and he knew that Saul had certainly come.”