(Duluth, MN)  —  Authorities are investigating after five people were found dead in a Duluth home.  Law enforcement from several departments conducted a welfare check late yesterday morning at the home when they were given a tip that the subject had access to weapons.  Police say a “methodical search” was conducted on the premises and officials entered the home where the bodies were discovered.  A dog was also found dead inside the home.  Police say they believe all five victims are related.  Authorities have not released the names of the people found or a cause of death.