C431 Suspect

"In other words, I am still unable to determine the cause of the poisoning?" Li Su asked.

"You could say that." Wang Xing Huo said. However, if you have any surveillance cameras here, I think we should take a look first. "

"Let's go take a look now."

Under Xiao Yiyi's lead, a group of people arrived at the monitoring room.

The factory's surveillance room was next to their office. Normally