The other T Group officers Yeung Kam Wing had brought began handling the handover with the Major Crimes Unit officers from Hong Kong Island Regional Headquarters.
Yeung Kam Wing himself went to a corner with Lee Man-kin.
Lee Chi-pan, who had just shown Yeung Kam Wing the way, had already tactfully left the interrogation room.
He knew full well that the National Security Department's operations always carried serious implications.
Since he was not involved this time, he would not ask too many questions.
Curiosity was human nature, but how could Lee Chi-pan not understand that curiosity killed the cat?
His team was not responsible for interrogating Lau Cheung-ching anyway. There was no need to wade into these muddy waters.
"According to Officer Lau's statement, he said he had no knowledge whatsoever of what he did last night."
Lee Man-kin lowered his voice, his expression extremely grave.
"But he must be hiding some secrets. He keeps repeating that he's guilty and has nothing to say."
At this point, Lee Man-kin paused briefly and handed over the statement book he had just put away.
"Officer Yeung, this is the picture Officer Lau has been drawing ever since the interrogation began."
"I suspect it's closely connected to the secret he's hiding. His unusual behavior last night may very well have been caused by whatever lies behind this picture."
This was precisely the picture Yeung Kam Wing had noticed earlier, depicting an adult holding a little girl's hand, both viewed from behind.
Was someone using a secret against him to coerce him?
Yeung Kam Wing took the statement book and studied the drawing carefully as various possibilities arose in his mind.
Or had an expert hypnotist used this secret to put Superintendent Lau completely under hypnosis?
As someone who had secured the position of