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Posted: December 05, 2018

Father whose son was found dead in swing, maggots in diaper, sentenced to life in prison

Iowa Baby Found Dead in Swing Reportedly Died of Diaper Rash

By Natalie Dreier, Cox Media Group National Content Desk


A father who was the primary caregiver for his son, who was later found dead in a baby swing, will now sit behind bars for the rest of his life.

Zachary Paul Koehn did not speak when given the chance at his sentencing hearing, The Waterloo-Cedar Falls Courier reported

The sentence of life without parole is mandatory for his first-degree murder charge.

>>Read: Parents charged after baby’s body found in swing

Sterling Koehn, 4 months, was found dead at an apartment. He was sitting in a swing when he was found in August 2017. Doctors said the baby died of dehydration, malnutrition and infection that developed from diaper rash that had ruptured his skin, The Courier reported

>> Read more trending news 

An entomologist said there were maggots in Sterling’s diaper, showing it hadn’t been changed for a week. 

>>Read: Prosecutor: Baby found dead in baby swing died of diaper rash

Koehn admitted in court that he didn’t change his son’s diaper because the smell made him sick. He admitted to occasionally feeding the baby but claimed he didn’t know Sterling was in distress.

>>Read: Jurors convict dad in under an hour in baby’s diaper rash death

Koehn’s attorney requested a new trial, but that request was denied, with prosecutors saying there was no way Koehn couldn’t have known his son’s condition after Koehn admitted going into the baby’s room in the days before Sterling was found dead, The Courier reported.

The baby’s mother, Cheyanne Harris, 21, will go on trial in January. Her attorneys told the courts that she may use diminished capacity or intoxication defenses. A psychologist testified during Koehn’s trial that Harris may also have been suffering from postpartum depression, The Courier reported.


Jeff Reinitz/The Courier via AP

Father whose son was found dead in swing, maggots in diaper, sentenced to life in prison

Jeff Reinitz/The Courier via AP

Father whose son was found dead in swing, maggots in diaper, sentenced to life in prison

Zachary Paul Koehn enters the courtroom for sentencing in Waterloo, Iowa Tuesday, Dec. 4, 2018. The Waterloo-Cedar Falls Courier reports Judge Richard Stochl on Tuesday sentenced 29-year-old Koehn to life sentence without parole, as was mandatory under state law. Koehn was convicted earlier of first-degree murder in the death of his son, 4-month-old Sterling Koehn, who was found in a maggot-infested baby swing last year.

Jurors convict dad in under an hour in baby’s diaper rash death

It took a jury less than an hour Tuesday to return with a guilty verdict for an Iowa man charged with murder in the death of his infant son, who prosecutors said was left in a baby swing -- without formula or clean diapers -- for more than a week. 

Zachary Paul Koehn showed little emotion as he was convicted of first-degree murder and child endangerment causing death, The Waterloo-Cedar Falls Courier reported. Koehn, 29, faces a mandatory life sentence on the murder charge. His sentencing will be held at a later date. 

Koehn’s former girlfriend, 21-year-old Cheyanne Renae Harris, has also been charged with murder and child endangerment in their son’s death and is awaiting trial, the newspaper reported. Like Koehn, she was granted a change of venue due to pretrial publicity.  

Warning: This story contains extremely graphic details of a child’s death.

>> Related story: Baby found dead in baby swing died of diaper rash, prosecutor says

Sterling Daniel Koehn, 4 months old, was found dead on Aug. 30, 2017, at his parents’ Alta Vista apartment. According to the medical examiner, evidence showed that neither Zachary Koehn nor Harris had removed the baby from the swing, bathed him or changed his diaper in up to 14 days.

The baby only weighed a few ounces more than his birth weight when he died, pathologist Dr. Dennis Klein testified. He weighed less than 7 pounds when Klein weighed him during his autopsy. 

A social worker with the Iowa Department of Human Services testified that Sterling, who was born in a bathtub at the home of a family friend, had signs of neglect from the time he was born, the Courier reported. Sheila Schroeder told jurors that the newborn’s umbilical cord tested positive for methamphetamine at the hospital. 

The hospital never informed DHS social workers of the positive test, Schroeder testified. State social workers did not learn about the finding until after Sterling died, at which time his then-2-year-old sister was removed from Koehn and Harris’ care. 

Schroeder told the court that Koehn, who laughed throughout his meeting with her two days after his son died, told her he thought the boy died of Sudden Infant Death Syndrome, or SIDS. He admitted during that meeting that both he and Harris used meth. 

Klein testified that Sterling died of a combination of infection, malnutrition and dehydration, each of which were serious enough on their own to have caused his death, the Courier reported

“Nothing natural would have caused this,” Klein said, according to the newspaper

The infection was caused when Sterling developed diaper rash from his dirty diaper, the feces left against his skin eventually breaking it down. The rash, which became infected with e. Coli bacteria, attracted bugs that laid eggs in his diaper. 

Maggots and their larvae were found in the boy’s diaper and clothes at his autopsy. 

Klein said the maggots were likely beginning to hatch while the baby was still alive, the newspaper reported. That viewpoint was echoed by forensic entomologist Timothy Huntington, who testified that the bugs on Sterling’s body indicated his diaper had not been changed in at least nine days.  

Medics and sheriff’s deputies testified during the trial about finding Sterling cold and stiff when they were called to the family’s apartment. The baby was found in his swing in a hot bedroom, his clothes crusted over and blankets reeking of urine. Gnats flew around the baby’s body when the blankets were moved, one Chickasaw County medic said. 

“His eyes were open, and it was a blank stare,” the medic testified. 

Koehn’s attorney argued that his client, who worked nights as a truck driver, was away from home and providing for his family as his son was fatally neglected by Harris, who did not work outside the home. According to the Courier, defense lawyer Steven Drahozal said Koehn never noticed any signs that Harris, who was Sterling’s primary caretaker, may have been depressed enough to keep her from caring for their son. 

Denise Timmons, one of the assistant attorneys general prosecuting Koehn, said that each time Koehn came home from work and did nothing to help his son, he engaged in a separate act of neglect, the Courier reported

“He let Sterling rot in that room,” Timmons said, according to the newspaper. “He left him there to die.”

Timmons’ co-counsel hammered at Koehn when he took the stand in his own defense Friday. Koehn told jurors multiple times that he “put his trust in the wrong person” when he left Harris to care for their son while he was away. 

Assistant Attorney General Coleman McAllister questioned why Koehn, Harris and their 2-year-old daughter were all healthy and well-fed even as Sterling was dying in a back bedroom. 

“Would you agree you took better care of Leo (the family dog) than you did your own son?” McAllister asked him, according to the Courier

“Um, the way it looks, yes,” Koehn responded. 

Koehn also testified about growing up in the Mennonite faith, which defense witnesses testified teaches that a father is supposed to earn a living and a mother is responsible for child care. He told the court he typically worked 70 to 80 hours per week hauling live chickens, the Courier said. 

Expelled from the Mennonite faith at 16 for drinking and smoking, Koehn admitted that he started using meth a year later to stay awake while on the road. 

A friend of the couple testified earlier in the trial that he sold meth to Koehn and occasionally visited him and Harris at their apartment. Jordan Clark told the court that though he knew about the couple’s 2-year-old daughter, he had no idea they had an infant son, despite those visits. 

Koehn said he quit using meth about two weeks before his son died and testified he went to Twin Falls, Minnesota, the weekend before Sterling’s death to trade leftover meth for baby supplies, the Courier reported. He also testified that despite noticing a foul smell in the bedroom where Sterling was two days before he died, he had no idea the stench was coming from his son.

Koehn said he removed a trash bag full of dirty diapers at that time and thought the remaining smell was a lingering odor from the bag. He said a “weak stomach” kept him from changing his children’s diapers, though he occasionally fed Sterling a bottle. 

A deputy previously testified that he found a bottle near the baby’s swing that contained formula that had begun to separate. Cans of fresh formula were found in the kitchen of the home. 

Koehn said his son was typically asleep when he was home from work and he would not wake him because the infant had colic. 

“I was not to disturb him when he was sleeping,” Koehn testified, according to the Courier

The defendant’s testimony, during which he said he played with his son two days before the boy died, was at odds with that of Klein, who said that in Sterling’s final days, he would have been weak and lethargic and unable to interact with those around him. He also wound have been unable to cry, the medical examiner said

  Prosecutor: Baby found dead in baby swing died of diaper rash
  Parents charged after baby’s body found in swing

Prosecutor: Baby found dead in baby swing died of diaper rash

An Iowa jury on Tuesday heard the graphic, heart-wrenching details of the death of a baby found dead in an infant swing last year. 

Warning: This story contains extremely graphic details of a child’s death.

Sterling Daniel Koehn, 4 months old, was found dead on Aug. 30, 2017, at his parents’ Alta Vista apartment. According to the medical examiner, evidence showed that the baby’s parents had not moved him from the swing, bathed him or changed his diaper in more than a week. 

“He died of diaper rash. That’s right, diaper rash,” Coleman McAllister, an assistant Iowa attorney general, told jurors Tuesday in the trial of Sterling’s father, Zachary Paul Koehn. According to The Waterloo-Cedar Falls Courier, Koehn, 29, and Sterling’s mother, Cheyanne Renae Harris, 21, are each charged with first-degree murder and child endangerment. 

Harris is being tried separately, the Courier said.

Chickasaw County Chief Deputy Reed Palo, who attended the infant’s autopsy, described in his testimony how the medical examiner found maggots and their larva as he removed layers of urine-soaked blankets and clothing from Sterling’s malnourished body.  

“As the diaper came off, you could see the skin had broken down,” Palo testified, according to the Courier. “It just looked like it had been there a long time.”

The diaper had been on the boy for nine to 14 days, McAllister told the jury. It was full of feces and had attracted bugs, which laid the eggs that hatched into the maggots found during the autopsy. 

Sterling developed diaper rash that became infected with e. Coli bacteria, the prosecutor said. Ultimately, he died of infection, malnutrition and dehydration. 

>> Related story: Parents charged after baby’s body found in swing

The newspaper reported that several first responders testified Tuesday about what they found when they arrived at the family’s home after Koehn, who worked nights as a truck driver, called 911 to report the baby’s death. Toni Friedrich, with the Chickasaw County Rescue Squad, said the father showed no emotion when he led her to the bedroom, where Sterling was seated in a baby swing. 

Friedrich found the baby to be cold and stiff when she touched his arm to check for a pulse, the Courier reported. 

“His eyes were open, and it was a blank stare,” Friedrich said

She testified that the room was hot and smelled strongly of urine. When she touched the baby’s chest, his clothes were crusty. Gnats flew around him when she moved his blanket, she said. 

Chickasaw County Deputy Jason Rosol testified that when Sterling was removed from the swing, he saw that the seat was stained brown. According to the Courier, Rosol said he found a bundle of fresh diapers in the room but found no dirty diapers. 

The formula in a baby bottle found near the swing had begun to separate, Rosol testified. Cans of formula were found in the kitchen. 

McAllister told the jurors during his opening Tuesday that it was not inexperience that led to Sterling’s death, the Courier said. Koehn’s 2-year-old daughter also lived in the home but was healthy. 

A former friend of Koehn’s testified Wednesday that despite visiting Koehn and Harris at their apartment, he did not know they had an infant son, the newspaper reported. Jordan Clark testified that he knew about Koehn’s 2-year-old because Koehn talked about his daughter. 

Clark, who ended up dating Harris after the baby’s death, testified that he sold meth to Koehn on a weekly basis and that the three of them smoked the drug together, the Courier reported

Jurors also heard from Harris’ mother, Brandy Harris, who testified that her grandson seemed “his normal self” when she saw him in early August. She said that Sterling was small for his age, but she attributed it to his premature birth.

He was born in the bathtub at a friend’s home in May 2017 because he was a couple of weeks early, Brandy Harris testified. She said despite his early arrival, doctors did not have concerns about his health. 

The baby had begun smiling when she saw him in mid-July, and Harris testified that she took his picture, according to the newspaper. She told the court she did not take any pictures in August because she did not know it would be the last time she saw the boy. 

>> Read more trending news

On cross-examination by Koehn’s attorney, Harris testified that her daughter was the boy’s primary caretaker. Though Cheyanne Harris did not work outside the home, Koehn worked nights as a truck driver. 

Koehn’s brother, Danny Koehn, told The Des Moines Register following his brother’s arrest that as a truck driver, Zach Koehn would sometimes be gone from home days at a time. 

“I talked to Zach a lot. He did have concerns about the child being taken care of while he was gone,” Danny Koehn told the Register. “He’d call and say the baby wasn’t changed for a week when he wasn’t home.”

Sterling’s uncle did not negate his brother’s responsibility, however. 

“It’s still the responsibility of the parents of the child, so I’m not saying he’s innocent,” Danny Koehn said

Zach Koehn’s trial is being held at the Henry County Courthouse in Mount Pleasant because of extensive pre-trial publicity in the case, the Courier said. 

Parents charged after baby’s body found in swing

Two Iowa parents have been charged with murder in connection with the death of their infant.

The baby was found dead in his baby swing on Aug 30. A medical examiner found evidence that he said that the baby had not been removed from the swing, had a diaper change or had a bath in over a week, The Associated Press reported.

>> Read more trending news 

Cheyanne Harris, 20, and Zachary Koehn, 28, were arrested this week. They were charged with child endangerment and first-degree murder in the death of 4-month-old Sterling Koehn, The Associated Press reported.

The baby was found dead in his baby swing on Aug 30. A medical examiner found evidence that he said that the baby had not been removed from the swing, had a diaper change or had a bath in over a week, The AP reported.

They will appear in court next month.


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