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Utah teen, 15, arrested in stabbing death of his 2 brothers, police say

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(AP) WEST POINT, Utah -- A teenager was arrested Thursday in the deaths of his two younger brothers, ages 4 and 10, at the family home in a Utah subdivision of new homes and tidy lawns, police said.

Davis County Sheriff Todd Richardson said authorities believe the boys died from knife wounds. It appears the 15-year-old boy acted alone, he said.

"As result of the emerging details, the 15-year-old juvenile has officially been taken into custody," Richardson said. Formal charges have yet to be filed.

The Associated Press is withholding the name of the boy because of his age.

It was at least the second time in a month that an older brother has been arrested in the death of a sibling. Prosecutors have filed murder charges against a 12-year-old boy accused in the stabbing death of his 8-year-old sister on April 27 at their home in Central California.

In Utah, Richardson said the 15-year-old Utah boy had run away about a year ago before police found him. Neighbors said he was only gone a few hours.

His parents had six children, four of whom were adopted, said family friend and neighbor Lindsey Caballero, adding the parents were sweet, kind and loving.

The 15-year-old was the oldest and a biological son of the couple. The victims were both adopted, Caballero said.

Their bodies were found Wednesday night at the home in West Point, about 30 miles north of Salt Lake City. Police said the boys had been left with their older brother while their mother took her other children to a dance recital.

Richardson didn't take questions at the news conference and offered only scant details. He said the mother found her 4-year-old dead on the floor and called 911.

She thought both her 10-year-old and 15-year-old were missing, but police discovered the body of the 10-year-old while searching the house.

Police found the 15-year-old shortly before midnight in Layton - about five miles away. He was taken to a hospital for evaluation.

Police declined to comment on his mental status.

The homicide case has been taxing on his deputies, Richardson said.

"You see a lot of things, but it's hard to walk in there," said Richardson, pointing to the house The boys' father is active duty military and has been deployed in another state for some time. The suspect was an avid runner like his father, neighbors said.

The family lives in an adobe ranch-style house with a basketball hoop in the driveway. Detectives were inside the garage Thursday taking video.

Neighbors had set up a makeshift memorial at the foot of the mailbox with colored balloons, monkey stuffed animals and flowers.

"I'm still in shock," neighbor Karin Jackson said. "This is a wonderful neighborhood and the kids are usually outside playing."

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