More than one in three illicit drug samples contain unexpected substances, testing finds

When someone buys a drug illegally, they cannot be sure exactly what is in it.

Farion_O/Shutterstock When someone buys a drug illegally, they cannot be sure exactly what is in it. More than one in three samples submitted to the Welsh Emerging Drug Identification Service (Wedinos) where the buyer had said what substance they believed they had purchased,…