Victim of metal pipe attack dies, suspect charged with murder

The sole survivor of a metal pipe attack by a man in Iowa who three other people died at the scene has died.

According to Press release from the Linn County Sheriff’s Office: Brent Anthony Brown, 34, who was flown to an area hospital with life-threatening injuries, was pronounced dead by the Johnson County Coroner on Friday, June 7.

His body will be taken to the state medical examiner’s office for an autopsy while the investigation into the attacks continues, the press release said.

Luke Truesdell, 34, has been charged with fourth-degree intentional murder following the incidents on June 5 on a property in rural Marion, Iowa.

He is being held on $4 million bail, according to online jail records viewed by PEOPLE.

Truesdell’s other alleged victims were Romondus Lamar Cooper, 44, of Cedar Rapids, Keonna Victoria Ryan, 26, of Cedar Rapids and Amanda Sue Parker, 33, of Vinton.

The Linn County Sheriff’s Office said in a previous press release The investigation revealed that the victims’ injuries appeared to have been caused by blunt force trauma to the head with a metal pipe.

Police said one of the “possible motives” behind the attack was “the opportunity to film the crime.”

Linn County District Attorney Nick Maybanks also stated in an interview with KWWL that “the two individuals actually knew each other.”

“The extent of that relationship is still under investigation. We’re still trying to figure out exactly what triggered this,” he said, adding that they “were definitely at least business partners.”

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According to KGAN, the crime is the largest mass murder in eastern Iowa since March 2008, when Steve Sueppel, an Iowa City banker accused of embezzlement in federal court, killed his wife and four adopted children before taking his own life.