Although Law Enforcement Officers have more incentive to be in great shape/be strong, all of us, regardless of who you are/what you do, have no excuse to be weak and out of shape. One thing I tell the kids I'm coaching is that it takes no talent to have great manners, have a winning attitude and be in awesome shape. Yes, some people will be genetically stronger or be able to run faster/longer. But you can always be a better version of yourself. And not just "a little better".
The most important thing to understand when training athletes is the difference between G.P.P and S.P.P. Also, it's important to understand that mastery in a specific discipline does not mean mastery in weight training. In fact, it is usually the opposite; master of one thing, beginner of another. This is very lucky for you, whether you are a coach or an athlete. What this means is that you don't need advanced or fancy training methods to achieve results. Besides the huge pile of dung that is "sport specific training", the misunderstanding of training mastery by elite athletes is ruining training.
This is a classic case of an idea that works beautifully in theory but, at least in many cases, fails to pay off in the real world. The theory behind rack pulls is that they allow you to use more weight than you normally can handle in conventional deadlifts, which helps target certain sticking points, namely the lockout position—a real sore spot for many lifters. Sounds good, huh?
In theory, I think "instinctive training" does hold water. But in practice, for most people it's probably counterproductive. This doesn't mean you can't adjust your training day to day a little bit — to account for feeling better (going for more reps on a final set) or feeling worse (just doing the required workout and leaving). But to rely entirely on your instinct requires two things: