1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
27:11And David left neither man nor woman alive, to bring them to Gath, for he said, Lest they should tell of us, saying, So did David. And such was his custom as long as he abode in the country of the Philistines.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.