Chapter 509： Analyze surveillance video

Li Yun shook his head: "We checked carefully, and everyone who came in and out didn't have anything in their hands. It's summer again, and the clothes are very light and thin. There is still gold in so much money. If it is carried, it will definitely be found."

The video is normal, it is directly exported from the storage hard disk and cannot be tampered with.

Leaving the window on the east wall, Chen Yan circled the room twice again.

The layout of the entire room is not complicated, several possible

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