State of Iowa v. Zachary Paul Koehn

Court of Appeals of Iowa·Decided November 4, 2020·No. 18-2216·Published

Opinion

IN THE COURT OF APPEALS OF IOWA

No. 18-2216

Filed November 4, 2020

STATE OF IOWA, Plaintiff-Appellee,

vs.

ZACHARY PAUL KOEHN, Defendant-Appellant.

Appeal from the Iowa District Court for Chickasaw County, Richard D.

Stochl, Judge.

The defendant challenges his convictions of murder in the first degree and child endangerment resulting in death. AFFIRMED.

John W. Hofmeyer III, Oelwein, for appellant.

Thomas J. Miller, Attorney General, and Darrel Mullins, Assistant Attorney General, for appellee.

Considered by Bower, C.J., May, J., and Potterfield, S.J.* *Senior judge assigned by order pursuant to Iowa Code section 602.9206 (2020).

POTTERFIELD, Senior Judge.

Zachary Koehn was convicted of murder in the first degree and child endangerment resulting in death. Both convictions involve his approximately four- month-old son, S.K. On appeal, Koehn challenges those convictions, asserting (1) there is insufficient evidence to support the convictions; (2) the jury should not have been instructed it could infer malice from the commission of child endangerment resulting in serious injury; (3) his first-degree murder conviction should have merged into the child-endangerment conviction, leaving the “B” felony; and (4) the court abused its discretion in admitting some of the State’s evidence. I. Background Facts and Proceedings.

S.K. was born on May 1, 2017, and reported dead on August 30—almost four months later. The State’s chief medical examiner, Dr. Dennis Klein, performed an autopsy on August 31. He opined with a reasonable degree of medical certainty that S.K.’s death was caused by denial of critical care. S.K. died from malnutrition, dehydration, and an infection of E. coli that entered his body through his skin where it broke down due to the fact that S.K. sat in his own feces and urine for a number of days. Dr. Timothy Huntington, who has a Ph.D. in entomology (the study of insects), consulted on the case because of the flies found on and around S.K. Dr. Huntington testified the flies in question are scuttle flies, which are attracted to urine, feces, and other bodily fluids. Based on the various stages of life of the scuttle fly that Dr. Huntington was able to observe, he opined that the initial infestation began around August 20 or 21. Dr. Huntington testified, to a reasonable degree of scientific certainty, that if S.K.’s diaper or clothing had been changed since the initial infestation, the maggots and flies would not remain. In other words,

because it would take nine to thirteen days after the flies’ eggs were laid to reach the state in which Dr. Huntington observed them, and he estimated it would take a day for the flies to find and reach the food source—i.e. the feces and urine in S.K.’s diaper, S.K. had been sitting in that diaper and clothing in his swing for approximately ten to fourteen days.

Koehn was charged with murder in the first degree and child endangerment resulting in death. He entered a plea of not guilty, and a six-day jury trial took place in October and November 2018.

At trial, Koehn did not challenge the evidence regarding the cause and manner by which S.K. died. Koehn maintained that S.K.’s mother, Cheyanne Harris, was the primary caretaker of S.K. and his two-year-old sibling, N.K. It was agreed in their family that Koehn was generally not responsible for changing diapers or feeding the children with a bottle. Koehn testified he was working outside the home seventy to eighty hours per week and was unaware that Harris stopped providing care for S.K. He stated he was shocked by S.K.’s death and originally assumed S.K. died from sudden infant death syndrome. Koehn testified that if he had been aware S.K.’s needs were not being met, he would have changed his diaper and fed him a bottle.

The State introduced evidence to suggest Koehn’s claims of being unaware were not credible. Koehn’s work log, as testified to by Koehn’s employer, did not support Koehn’s assertions about the number of hours he worked. Additionally, the State provided evidence of the small size of the family’s apartment and the fact that Koehn and Harris’s bedroom shared a wall with the one S.K. was left in, suggesting Koehn could not have been oblivious to either S.K.’s cries of distress

or the smell caused by the feces and urine S.K. sat in for one to two weeks. Koehn originally told police he heard S.K. cry around 6:00 a.m. on the morning of August 30 and that Harris then went into S.K.’s bedroom to feed him—statements he later walked back, testifying he must have dreamed those things. He also originally said he played with S.K. in S.K.’s bedroom one day before and that S.K. had interacted with him normally, grabbing onto his fingers and holding on. When asked whether it was possible or probable that S.K. was able to interact with Koehn in this way on August 29, Dr. Klein testified,

There are possibilities that someone can—there are natural reflexes that babies have that when we put certain stimuli in. I think a normal interaction, though, as far as being able to make eye contact or follow your eye or have some sort of that engagement, given how dehydrated, malnourished and infected the child was, I would expect the child would have been noninteractive with a person who was trying to interact with them.

At trial, Koehn then testified he had his days mixed up due to working nights and he had last seen S.K. alive on August 28. There was also testimony that Koehn had questioned whether he was S.K.’s biological father. And Koehn told his friend, Jordan Clark, about his daughter and often talked about N.K. But Clark, who saw Koehn about five days per week at work and visited Koehn’s apartment a few times in July 2017, was unaware that S.K. existed until after he learned of his death.

The jury convicted Koehn as charged. At sentencing, the court determined Koehn’s conviction for child endangerment resulting in death merged with his conviction for first-degree murder due to the “one homicide” rule. Koehn was sentenced on only the first-degree murder charge, for which he received the mandatory sentence of life in prison.

Koehn appeals.

II. Discussion.

A. Substantial Evidence.

1. First-Degree Murder. Koehn challenges the sufficiency of the evidence supporting his conviction for murder in the first degree.1 The State has the burden to prove every element of the crimes with which Koehn was charged. See State v. Armstrong, 787 N.W.2d 472, 475 (Iowa Ct. App. 2010). The jury was instructed that to convict Koehn of first-degree murder, it had to find:

1. During the timeframe of August 4, 2017, through and including August 30, 2017, the [Koehn] killed S.K.

2. S.K. was under the age of 14.

3. [Koehn] did so with malice aforethought.

4. [Koehn] was committing the offense of child endangerment as defined in Instruction No. 22.

5. S.K.’s death occurred under circumstances showing an extreme indifference to human life.

Additionally, the jury was instructed that child endangerment, as included in the fourth element, was defined as, “[Koehn] committed child endangerment if he, as the parent of S.K., intentionally committed a series of acts using torture or cruelty

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