HIBBING, Minn. — A K-9's trusty nose helped authorities sniff out several pounds of methamphetamine at a northern Minnesota post office Monday. 

Members of multiple law enforcement agencies were called to the Hibbing Post Office as part of a narcotics investigation, according to the St. Louis County Sheriff's office.

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Murphy, a K-9 member of the Lake Superior Violent Offenders Task Force (LSVOTF), zeroed in on a suspicious package. With a search warrant in hand, law enforcement opened the package, with contained 5 pounds of meth.

Two people were arrested in connection to the discovery.

The investigation was a joint effort by the Minnesota Bureau of Criminal Apprehension, the U.S. Postal Inspectors Office, and the LSVOTF.