Recently, D.C. police helped bust a fentanyl distribution ring with global impact, and the two-year investigation all started after a young mother here in D.C. died of an overdose. NBC 4’s Mark Segraves is here to explain why fentanyl is becoming a more serious problem in the District, and how it affects you even if you don’t use the drug.

Check out these City Cast DC episodes we mentioned:

The Viral Mass Thefts Worrying D.C. Shoppers

How Social Media is Propelling D.C.'s Youth Homicides

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Unpacking D.C.'s Huge Fentanyl Drug Ring Bust