C683 Threatening Sms

"Poisoned?" Lee Yifann was even more shocked. "Someone poisoned him. When did you find out?"

Cheng Hai thought for a while and replied, "We found a dead person at nine o'clock this morning. There are no corpse spots on the body. He died less than two hours ago. It should be around seven or eight o'clock, when the clinic was just opened. If he guessed correctly