It was taken for granted by Bai Zhongqi that Su Beisi, the Teizene prince, would be killed. Throughout history, Teizenes have never disclosed any information about their civilization to the enemy. Regardless of how detestable these Teizenes might be, they possess a certain pride, and upon capture by the enemy, they would seek to commit suicide rather than endure any harsh torture or technologically advanced interrogation methods, which prove useless against them.
The Deep Sleep System was also attempted by the Iridium Star people for use in interrogations. However, in situations where the subject is highly vigilant, it results in the collapse of the virtual reality environment created by the consciousness, thus failing to yield any intelligence.