The South Korean actor Yoo Ah In is being looked into by the Seoul Metropolitan Police Agency for using the drug Zolpidem. On April 11, they gave an update on the investigation, which said:

“Yoo Ah In was thought to be using zolpidem in a recent investigation. We plan to call him soon to learn more about him.”

The case started when the actor was thought to be using the drug Propofol without a prescription. He gave both a urine sample and a sample of the drug. Marijuana and Propofol were detected in his urine sample, and cocaine and ketamine were found in his hair sample.

Later, the doctor who is thought to have given him Propofol was arrested, and he is also thought to have abused the drug himself.