The fentanyl flyers were placed on unmarked cars outside police station in Houston.
Not as uncommon as I would have thought.
The latest way users can get fentanyl into their system is through paper, such as stamps and stickers.
"What they do is dip it and absorb fentanyl into the paper that then dries," Lynch said.
Once ingested, the drug has the same effect as shooting heroin that's laced with fentanyl, although these stamps and stickers can be even more deadly.
"You don't know the dose because it's not very well-marked out. You don't know how much will be absorbed," he said.
No joke touching that stuff -
Moment cop has to be administered Narcan after potentially touching fentanyl-laced drugs during arrest
Quick thinking policeman may have saved their fellow officer's life after he touched a questionable substance during a drug arrest.
Body camera footage shows a Columbus police officer becoming slumped and needing to be administered Narcan.