But the Japanese wasn't dead. He had been wounded severely in the back and couldn't move his arms; otherwise he would have resisted to his last breath. The Japanese's mouth glowed with huge gold-crowned teeth, and his captor wanted them. He put the point of his kabar on the base of a tooth and hit the handle with the palm of his hand. Because the Japanese was kicking his feet and thrashing about, the knife point glanced off the tooth and sank deeply into the victim's mouth. The Marine cursed him and with a slash cut his cheeks open to each ear. He put his foot on the sufferer's lower jaw and tried again. Blood poured out of the soldier's mouth. He made a gurgling noise and thrashed wildly. I shouted, “Put the man out of his misery.” All I got for an answer was a cussing out. Another Marine ran up, put a bullet in the enemy soldier's brain, and ended his agony. The scavenger grumbled and continued extracting his prizes undisturbed.US Marine veteran Donald Fall attributed the mutilation of enemy corpses to hatred and desire for vengeance:
On the second day of Guadalcanal we captured a big Jap bivouac with all kinds of beer and supplies... But they also found a lot of pictures of Marines that had been cut up and mutilated on Wake Island. The next thing you know there are Marines walking around with Jap ears stuck on their belts with safety pins. They issued an order reminding Marines that mutilation was a court-martial offense... You get into a nasty frame of mind in combat. You see what's been done to you. You'd find a dead Marine that the Japs had booby-trapped. We found dead Japs that were booby-trapped. And they mutilated the dead. We began to get down to their level.
We learned about savagery from the Japanese... But those sixteen-to-nineteen-year old kids we had on the Canal were fast learners... At daybreak, a couple of our kids, bearded, dirty, skinny from hunger, slightly wounded by bayonets, clothes worn and torn, wack off three Jap heads and jam them on poles facing the 'Jap side' of the river... The colonel sees Jap heads on the poles and says, 'Jesus men, what are you doing? You're acting like animals.' A dirty, stinking young kid says, 'That's right Colonel, we are animals. We live like animals, we eat and are treated like animals–what the fuck do you expect?'