He is a forensic doctor who has just returned from the FBI in the United States. The person who collaborated with him on the first case was actually his old friend!
Copywriting:
One night, the captain looked at the child holding a knife and asked, "What are you doing?"
"I want to kill that thing that kept me awake all night... Ugh!"
From then on, one forensic doctor could hardly sleep...
Criminal Police Attack & Forensic Medicine
Purpose: Make money hehe