Jon Kavanaugh:  There are rules .
Sadie Kavanaugh: Then break one .
Jon Kavanaugh: What I do is stop cops from breaking the rules . I ca n't stop them if I ca n't stop myself .
Sadie Kavanaugh: Then try bending _ one _ just once .
Jon Kavanaugh: I 'm an Internal Affairs Lieutenant . That 's , that 's who I am .