[1]

Although he knew what isoflurane was, Chen Shi asked anyway. "Captain Peng, what is isoflurane?"

"A medically used anesthetic that is inhaled. The appearance is that of a colorless liquid with a certain pungent odor. It has a stable chemical composition and is unlikely to be changed through biotransformation in the body, so it’s relatively easy to detect."

"How did you find this? Was it not an accident?"

"I pointed this out to Captain Lin and he sent people to check. The deceased had sinusitis surgery the day before the accident. The hospital used this kind of anesthetic but the dose wasn’t significant, so it couldn’t be determined that someone was deliberately targeting him. Since his mother is suspected of insurance fraud now, I can’t help but think-”

"You think that someone knew that he used this...