Mankato (KMKO)-A St. Peter man faces felony charges after selling drugs in an undercover sting.  45-year-old Russell Schnitzler is accused of meeting with an informant and selling 52 pills identified as various narcotics, found to be controlled substances. Agents of the Minnesota River Valley Drug Task Force monitored the purchase in June of last year.  Schnitzler has been charged with one count of third degree sale of a narcotic and one count of fourth degree sale of a controlled substance.  The felonies carry a maximum combined sentence of 45 years in prison.  He faces a July 19th court date in Blue Earth County.