(Mark Schiefelbein/Associated Press)
Baltimore is investigating a spate of drug overdose deaths in its Penn North neighborhood, and National Institute of Standards and Technology tests have revealed the N-methylclonazepam sedative to be mixed with fentanyl, The Washington Post reported.
Baltimore has seen nearly 700 overdose deaths in the past year alone, leading to the investigation of the source drug N-methylclonazepam, a benzodiazepine not approved for human use in the U.S., according to the report.
The drug cocktail has not been found in other samples from Maryland or any of the 15 states partnering with the NIST, the Post reported…