The room was casually furnished, with only a sofa and a TV set. Rubbish was strewn all over the floor and the curtains were drawn.

Xiaotao and I explored the rest of the unit, heading to the room in the back. We found many secretly taken photos stuck on the walls, including the four victims and their husbands, the officer who was impersonated and some people I had never seen before.

Xiaotao pointed to one of the photos and said, "The owner of that restaurant is on there."

"This man is rather professional!" I said, opening a cabinet filled with wigs, fake beards, clothing and shoes from all walks of life, and a voice-altering device.

Additionally, there was silicone padding used in cosmetic surgery clinics, possibly used to change his body shape by wrapping them around...