The problem with any defensive strategy is that the opponent only has to win once. Street level criminals are like Fast food employees - replaceable. The guys

The problem with any defensive strategy is that the opponent only has to win once. Street level criminals are like Fast food employees - replaceable. The guys up the chain can be invisible indefinitely, but hooking up with the wrong girl, pissing off the wrong guy, being too impulsive or too deliberate with a decision etc can be the one mistake.