The publisher HarperCollins states: "The Pentagon has officially confirmed more than 150 of Kyle's kills (the previous American record was 109), but it has declined to verify the total number for this book."
Forlæggeren HarperCollins udtaler, at "Pentagon har officielt bekræftet mere end 150 af Kyles drab (den tidligere rekord for USA var 109), men man har afvist at verificere det forbløffende tal i denne bog".