Krueger had a reputation as a reclusive soldier. He maintained a persistent silence, isolating himself for the most of his time and only emerging for missions and training. Some speculated that he might be akin to a machine, devoid of emotions, but these were all conjectures. One soldier and Krueger, who were assigned on a joint mission, were on their way back to the barracks. Krueger sensed the weight of their gaze on his back. In a gravelly voice, he uttered, "Stop looking at me like that."