Fentanyl test strips are being used by drug dealers to advertise 'clean pills'
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![Fentanyl test strips are being used by drug dealers to advertise 'clean pills'](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-05/240522-Fentanyl-test-strips-ch-0831-549e36.jpg)
Law enforcement officials warn that drug dealers now use fentanyl test strips on their pills and then post photos on social media to prove their drugs are “clean.”