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Inside Ground Zero of the Heroin Epidemic in Philadelphia

Originally aired on 4/18/2017

Dr. Oz and DEA special agent Gary Tuggle take you to “the tracks,” a half-mile stretch of train tracks in Philadelphia, that has become one of the largest open-air drug markets in the eastern United States.

Guests: Gary Tuggle , Emory Salley , Nancy Grace , Derrick LeVasseur