Notwithstanding, both the police and the military use the same techniques to hold people captive and to track them. So, to learn how to avoid the one is to learn how to avoid the other. This fact is inescapable. Nonetheless, people in many cultures at various times in world history have had to escape captors and or evade capture. All things considered, that time may return.
After many years of specialized warfare, the military has developed specific techniques for escaping captivity and evading capture. However, there are no foolproof methods. Escape and evasion is part science and part art, and the more knowledgeable and creative the runner, the more likely he can succeed.