Shmuel Bais 10:3

And the sarim (princes) of the Bnei Ammon said unto Chanun their adon, Thinkest thou that Dovid doth honor avicha, that he hath sent menachamim (comforters) unto thee? Hath not Dovid rather sent his avadim unto thee, to explore the Ir, and to spy it out, and to overthrow it?