DC mayor's office investigates batch of suspicious N95 masks distributed to first responders

We're learning more about the possible counterfeit N95 masks that were distributed to first responders in the District as sources told FOX 5's Evan Lambert last night.    FOX 5's Shirin Rajaee reports that the D.C. mayor's office is taking this report seriously and is now investigating what appears to be counterfeit N95 masks that made their way into the city's stockpile.