YES, hit them with a bat in their head and wait for their brain juices to ooze out and they are not moving despite their slow ratio because they are living after death. Which means, they have no soul and no real mechanism to make them feel emotions and have their own thoughts; only pure instinct and which they crave off their hunger - which is a major disadvantage compared to the human race who are much smarter even if your IQ is below average, your strengths will count too.
