the goal, to use less force as possible. how an officer could change tactics. maybe the better way to change is a little wrist and elbow control. when you have the wrist elbow, it s not easy. if i take your center of gravity with me, then you re going to move. reporter: one tactic being considered, bringing in a female officer or a suspect s mother to diffuse a confrontation if possible. also part of new york s train, how to keep egos and adrenaline in check to avoid confrontational scenarios like this one in ferguson. bring it. [ bleep ] bring it. what we re teaching them is how to control that anger and how to channel that anger so they don t act out. it s all part of the learning one crucial principle. sometimes you turn your hands over, it s a more open position.