The father who was assumed that on the day of the High School final day of the son killed the whole family in the obvious murder self-murder

Dawson County, Neb. (KSNB/Gray News) – A father in Nebraska is said to have killed himself together with his wife and children on the same day of his son's high school.

On May 10, the Dawson County's office went to a house at around 9:45 a.m.

According to the Nebraska State Patrol, it is assumed that Jeremy Koch, 42, had killed each of his sons Hudson (18) and Asher (16) and his wife Bailey (41) before he killed.

All four were found with fatal knife wounds.

A knife was found at the crime scene.

At the Cozad closing ceremony 2025, superintendent Dan Endorf commented on the tragedy and the effects on the final class.

“As you know, our community and our senior class have experienced a tragedy in the past few hours,” said Endorf. “The bitter sweet emotions, which the senior class on their final day and in this entire high school cannot be hidden at that moment, cannot be covered at this moment and are a symbol for the life of the adult that begins by our graduates.

In a public Facebook post, the parents of Bailey's parents, Lane and PEG Kugler, frustrated about the state of mental health care in the USA and said Koch had long struggled with his mental health.

The family said that Koch's mental health problems went back at least in 2009 and has taken up several attempts at suicide. In 2015, the family began to publicly share their fights to reduce the stigma and to work for others. Bailey, an author and formerly involved in the parents' website Your view from homeStarted her own Facebook page to raise awareness of mental illnesses and to offer hope in similar situations.

Bailey wrote that her husband's condition deteriorated considerably in 2024. On May 3, she said Koch survived at least four suicide attempts.

Bailey said the situation was bad in March when she stood over her with a knife and said: “Something is wrong.” She said she could de -escalate the situation and convince him to seek help.

After Bailey ended electro -conconvulsant therapy treatments at the beginning of this year, he had become “a shell of himself”.

“Merkous diseases take my husband from me and I asks her to open her eyes and see the reality that is the crisis of the mental health of this society,” she wrote.

The NSP is the main agency in the murder examination. Dawson County's lawyer has ordered autopsies from all four residents.

The investigation remains.

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