Maui Anesthesiologist Accused of Attempted Murder of Estranged Wife

Son testifies father admitted trying to kill stepmother during Oahu hike

Apr. 1, 2026 at 10:05am

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The son of a Maui anesthesiologist testified that his father, Gerhardt Konig, admitted to trying to kill his stepmother, Arielle Konig, while they were on Oahu in March 2025. Emile Konig said he received video calls from his father, who claimed Arielle had been cheating on him and that he had tried to kill her, with splatters of her blood on his shirt. Arielle Konig alleges her husband tried to push her off a cliff, attempted to inject her with an unknown substance, and struck her with a rock on the Pali Puka Trail. The defense claims it was self-defense.

Why it matters

This case highlights the complex dynamics of domestic violence and the challenges of determining the truth when there are conflicting accounts. It also raises questions about the role of technology, such as the hidden voice recorder Gerhardt Konig allegedly purchased, in intimate partner conflicts.

The details

According to testimony, on March 24, 2025, Emile Konig received two video calls from his father, Gerhardt Konig, who admitted to trying to kill his stepmother, Arielle Konig. Gerhardt claimed Arielle had been cheating on him and that he had tried to kill her, with splatters of her blood on his shirt. Arielle alleges Gerhardt tried to push her off a cliff, attempted to inject her with an unknown substance, and struck her with a rock on the Pali Puka Trail. The defense claims it was self-defense, alleging Arielle tried to push Gerhardt off the cliff and hit him with a rock first.

  • On March 24, 2025, Emile Konig received two video calls from his father, Gerhardt Konig.
  • The attempted murder trial of Gerhardt Konig continued on Tuesday, March 31, 2026 in the Circuit Courtroom of Judge Paul Wong.

The players

Gerhardt Konig

A 46-year-old Maui anesthesiologist accused of attempting to murder his estranged wife, Arielle Konig.

Arielle Konig

A 37-year-old nuclear engineer and the estranged wife of Gerhardt Konig, who alleges he tried to push her off a cliff, attempted to inject her with an unknown substance, and struck her with a rock.

Emile Konig

The 19-year-old son of Gerhardt Konig, who testified that his father admitted to trying to kill his stepmother, Arielle Konig.

Judith Mast

The mother of Arielle Konig, who testified that Emile Konig arrived at her home very upset after the incident.

Peter Mast

The stepfather of Arielle Konig, who testified about noticing tension in the Konigs' relationship in the months leading up to the incident.

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What they’re saying

“that he would not be making it back to Maui, and to take good care of the younger kids, and that Ari, my stepmom had been cheating on him, and that he tried to kill her.”

— Gerhardt Konig

“splatters meaning 'Ari's blood.'”

— Gerhardt Konig

“I'm going to go before the police catch me.”

— Gerhardt Konig

“He was very upset. He was shaking, crying, very upset.”

— Judith Mast, Arielle Konig's mother

“There was a noticeable cooling in their relationship, between December 2024 and March 2025.”

— Peter Mast, Arielle Konig's stepfather

What’s next

The judge in the case will decide on Tuesday whether or not to allow Gerhardt Konig out on bail.

The takeaway

This case highlights the complex dynamics of domestic violence and the challenges of determining the truth when there are conflicting accounts. It also raises questions about the role of technology, such as the hidden voice recorder Gerhardt Konig allegedly purchased, in intimate partner conflicts.