(10/10/16) - UPDATE: Police released the names of the victims Monday afternoon. They are 63-year-old Charles Campbell and his wife, Karen, who was 61.

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Friends and neighbors are stunned after a man and his wife were found shot to death in an Arenac County home.

The discovery was made by someone who walked into the home late Sunday afternoon on Summit Drive near Omer. The home is in Deep River Township, north of Standish.

Police believe it's a murder-suicide.

The investigation hits close to home for Arenac County Sheriff Jim Mosciski.

“I knew the victim yes, he was a year behind me in school, yes,” he said.

Mosciski says police have the handgun that was used in the crime and say one of the victims had contact with someone on Saturday, the last time anyone heard from them.

While the identifies of the couple have not been released, the man was believed to be in his early 60's and was a former corrections officer at the former Standish prison, which closed in 2009. He transferred to the Saginaw prison and then to a St. Louis facility before retiring in January.

The couple was married last November.

Barbara LaPorte and her husband Rocky live just down the road for the couple. They have a lot of questions as to what triggered the violence.

“We loved him, he worked at the prison, he just retired, he paid off his house and he worked with this lady he married,” Barbara said. “He used to go fishing at the park and bring me fish. And we would take care of his dog. He just got married, trying to be happy.”

Mosciski says investigators are now talking to family members to find out what was going on in their lives that resulted in them being shot to death.

“There are a lot of questions that will never get answered, but we are going to try to find out why,” Mosciski said.