Taking thorough showers before anything criminal will rid excess skin cells decreasing DNA signature. Gloves. Is it necessary to shave your hair?
Fitness. How fast do you need to be to avoid pursuit on foot? Parkour will help in a footchase. Being lighter helps with speed, endurance, and climbing obstacles. Is there criminal specific training, or would military training be sufficient?
If one became proficient in these two skills, he would prove an invaluable champion. It is vital we compile our knowledge on these two skills for seekers of mastery.