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A man considered a person of interest in the killing of his grandparents, whose bodies were found decomposing in their Glendale home on Sunday, has been in the hospital for several days after being injured in a car crash, authorities revealed Monday night.

A photo posted to Nathaniel Scheiern's Facebook page shows him, neighbors confirmed.
A photo posted to Nathaniel Scheiern’s Facebook page shows him, neighbors confirmed.

Nathaniel Scheiern was being interviewed by investigators but was not a suspect in the case, Glendale Police Department Sgt. Robert William said Sunday night.

However on Monday evening, authorities revealed that Scheiern was actually in the hospital, and detectives were waiting for him to recover before speaking with him, according to Williams. It was not clear when or where the car crash occurred.

About 9:30 a.m. Sunday morning, police received a telephone call from a person who expressed concerned after not hearing from two family members, a man in his late 70s and woman in her early 80s, who lived in the 600 block of Alexander Street, the sergeant said.

Officers responded to the home, whose front door was ajar, and discovered the couple’s decomposing bodies, according to police. The deaths apparently had occurred at least 24 hours earlier, investigators said.

Officials have not released the names of the deceased man and woman. Neighbors said their names were Bill and Verna Scheiern.

They attended Calvary Bible Church in Burbank for many years, and a spokeswoman for the church called them a “sweet, elderly couple.”

William and Verna Scheiern are shown in a photo provided by Calvary Bible Church.
William and Verna Scheiern are shown in a photo provided by Calvary Bible Church.

A friend of the family told KTLA that the couple took in their grandson because he was “troubled” about a year ago. The younger Scheiern moved to Glendale from Colorado, family friend Jim Stone said.

Neighbors described hearing loud arguments about money coming from the couple’s home.

The cause of the deaths was not immediately disclosed, but authorities said they were being investigated as homicides that did not appear to be the result of a random act.

“It doesn’t seem like there was a ransacking of any sort, doesn’t seem like there was a burglary or anything like that, and everything that happened was pretty much contained inside the house,” William said.

According to neighbors, Nathaniel Scheiern had been living at the home for about two months but had not been seen recently.

KTLA’s Melissa Pamer and Kennedy Ryan contributed to this article.