1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
27:11And David saved neither man nor woman alive, to bring tidings to Gath, saying, Lest they should tell on us, saying, So did David, and so will be his manner all the while he dwelleth in the country of the Philistines.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.