C2471 The Tragedy Three Years Ago!

In the mansion, there was coincidentally a witness who had witnessed the murder of Lee Changming. Coincidentally, he had witnessed the key clue of the case!

That was, this witness had once seen the clothing of the suspect at a close distance.

Then, Liu Shengyao went to the traffic police station to retrieve the surveillance cameras of the main streets of the mansion and Lee Changming's villa