Blotting patches with the effigy of the LSD discoverer soaked in an opioid 100 times more powerful than fentanyl were seized in Laval after a police intervention in a man in respiratory distress.

The Laval police announced Monday to have got hold of fifteen blotters containing carfentanil, a substance 100 times more powerful than fentanyl.

The discovery took place in a residence in the Vimont neighborhood on January 23, when a 59-year-old man was found inanimate by his son. He died a few days later at the hospital of a cause that remains unknown.

During the intervention, the police discovered marijuana and fifteen stamps, mostly known to contain LSD, a hallucinogenic drug. The analyzes, however, revealed the presence of carfentanil.