CENTER CITY, Minn. (AP) — Authorities say three people found dead inside a Minnesota township home were all shot to death and a person of interest in the case was found dead at another location. The Chisago County Sheriff’s Department said the victims’ bodies were found Sunday at a home in Fish Lake Township. They were identified Tuesday as 73-year-old Darrell James Mattson; 68-year-old Denise Lillian Mattson; and 47-year-old Kirk Patrick Mattson. The medical examiner said all three died from multiple gunshot wounds. The sheriff’s department said a person of interest was found dead at separate location. No other details were released.