UPDATE: Green Bay Police have reported their investigation reveals Patricia Hayden is the victim of a homicide committed by Joseph Kiefer, who then killed himself.
Hayden and Kiefer both resided at 1276 Division Street in Green Bay.
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The Green Bay Police Department responded to a residence in the 1200 block of Division Street for a medical call earlier today.
According to a press release from the Green Bay Police Department, initial reports stated that a male was in need of medical attention.
Further investigation revealed that two people were deceased inside the residence.
Police say at least one of the residents appeared to have sustained a gunshot wound.
In addition to the deceased individuals, a pet cat was also found shot and deceased inside the home.
The investigation is in its preliminary stages, but the Green Bay Police Department states the case may be a possible murder-suicide.
Investigators are now working with the Medical Examiner to ascertain the cause of death.
The Green Bay Police Department Forensic team is also on scene processing the crime scene and collecting evidence.
Police say they do not believe the public is in any danger.
The identities of the deceased are not being released until the families have been notified.
