Autopsies have not been performed on the bodies, but the cause of death was most likely gunshots, Urquhart said.Detectives have ruled out murder-suicide as the causes of death, and investigators were searching the area for possible suspects in the killings, Urquhart said.Okay, that all sounds rather fishy to me... So if it wasn't a murder-suicide and you're looking for a suspect in the area, how can you possibly claim there's no danger to anyone living nearby?!?!insisted there was no danger to anyone else living nearby.
Asked to explain, he said, "You have to take my word for it."
I'm voting zombies, due to them saying "most likely gunshots". Either they have holes in them or they don't!... or maybe they were shot after rising from the dead.
(Note: sorry to make fun of this, as it is a tragedy. But, if you can't make light of senselessness in life, you'll go insane.)