I think this is a reference to a sensationalized US news story in 2020 where a US officer allegedly brushed off fentanyl powder on his shirt/uniform and reported accidental overdose by skin exposure.

https://www.buzzfeednews.com/article/lindseyellefson/fentanyl-accidental-exposure-police

https://www.mcgill.ca/oss/article/medical-critical-thinking/you-wont-die-touching-fentanyl