MARION COUNTY, Fla. — The stepson of a missing Marion County couple has been found in Nebraska with the couple's car.
Deputies have also confirmed that remains found on Layton and Donna Underwood's property in Dunnellon are indeed human remains, but have not identified whose remains they are.
Marion County sheriff's deputies said Allyn Gilbert was located in Omaha Friday. Deputies last week considered him "missing endangered" after he and the Underwoods' car disappeared.
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Gilbert is Layton Underwood's stepson and lived with the couple, deputies said.
A family member reported the Underwoods missing on Jan. 6, saying they hadn't heard from the couple since Christmas.
By Thursday, deputies had swarmed the Underwoods' property on SW 47th Street in Lake Tropiciana after finding remains on the property. Video from Skywitness 9 showed deputies and a blue tarp over the scene.
Previous coverage: Possible human remains found in yard of missing couple, deputies say
Deputies said Monday that the couple is still considered missing at this time, while investigators work to identify the remains found on their property.
Last week, deputies described Gilbert as a missing endangered subject because of what they called "concerning statements he recently made." He is being held by authorities in Nebraska for a Marion County warrant for possession of a firearm by a convicted felon.
Court records show Gilbert was previously convicted of at least eight crimes in Iowa, including assault and terrorism.
Records said that in 1994, Gilbert fired a shotgun three times before pointing it at a man and threatening to kill a police officer. He was arrested after a five-hour standoff.
When sentenced, officials said Gilbert needed treatment for "serious mental health problems."
In 2000, Gilbert pleaded guilty to robbery and theft.
Investigators said he held a woman at knifepoint and stole her car. They said they later found him in Wyoming.
Records said he admitted to escaping from custody shortly before his 10-year sentence would have ended.
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COMING UP: we’re digging into Allyn Gilbert’s criminal history. Gilbert was found in Nebraska just days after human remains were found at his Dunnellon home. Court records show over the last 25 years, he’s admitted to assault, robbery, theft, even terrorism. #WFTV pic.twitter.com/j4aP86a5DZ
— Megan Cruz (@MeganWFTV) January 16, 2019
Investigators flew to Nebraska this past weekend to interview Gilbert about his missing relatives.
He has only been charged with possession of a firearm by a convicted felon, because after several convictions in Iowa, he is not supposed to have a gun.
According to his arrest report, Gilbert's mother told investigators her son shot a cat on Dec. 27, because it was sick and he couldn't afford the vet bills. She told them she heard that from Donna Underwood.
Authorities have not said when Gilbert could be brought back to Florida.
Cox Media Group
