C807 Brilliant killing technique

After finishing his sentence, the criminal investigation personnel shook his head. He was extremely puzzled about this case.

How Qin Dachuan died caused these administrative personnel and police to be unable to find any clues. This was indeed a headache.

"Mr. Chu, you know how to investigate a crime scene?" A criminal investigator asked doubtfully.

If Chu Bei had not helped to solve this case