In a chilling case that gripped Hawaii, anesthesiologist Gerhardt Konig has been found guilty of attempted manslaughter, with the charge stemming from an attack on his wife. Prosecutors argued that the assault was fueled by extreme mental or emotional disturbance, arising from Konig’s suspicions of his wife’s infidelity.

The jury was presented with harrowing evidence, including graphic footage from a police body camera that revealed Konig’s wife, bloodied and battered, at the scene of the crime. The prosecution maintained that Konig used a rock to strike her repeatedly during the alleged attack on March 24, 2025, on a secluded hiking trail in Oahu.

Throughout the trial, the prosecution painted a picture of jealousy and betrayal. They highlighted Konig’s alleged obsession with his wife’s supposed affair, which they claimed had intensified in the months before the incident. This fixation, they argued, culminated in the violent act.

Testimony from a forensic examiner revealed troubling digital evidence from Konig’s laptop. Investigators discovered Reddit activity focusing on themes of cheating, anger, and divorce. The searches included incriminating threads titled “Lying again,” “It’s over,” and “I did a horrible thing.”

Further evidence presented in court showed Konig’s premeditated steps leading to the attack. Authorities noted that he had purchased a voice-activated recorder and conducted online searches for remote hiking spots, including the Pali Puka Trail. Disturbingly, his search history contained keywords like “kill,” “death,” “cliff,” and “fall.” Additionally, a Dropbox folder ominously labeled “Divorce” was found.

During the trial, Konig testified in his defense, asserting that the confrontation began with an argument and escalated, prompting him to act in self-defense. Despite his claims, the jury sided with the prosecution’s narrative of a premeditated attack.

They say that the digital trail reveals motive and planning.

According to prosecutors, that tension boiled over on March 24, 2025, when the couple traveled from Maui to Oahu for what was supposed to be a birthday trip.

Arielle Konig testified the hike turned violent when her husband grabbed her and tried to force her toward the edge of a cliff.

She told jurors she threw herself to the ground and clung to vegetation as he tried to push her over, then saw him holding a syringe and telling her to “hold still” before she knocked it away.

Moments later, she said, he picked up a rock and began striking her in the head.

“I just started screaming… he’s trying to kill me,” she testified.

Two hikers who heard her cries rushed in and called 911.

Jurors later saw body camera video capturing the aftermath — Arielle bloodied, disoriented and struggling to stay conscious as bystanders tried to help her.

Arielle Konig testifies in court during the Maui attempted murder trial involving her estranged husband. (KHON-FOX)

Prosecutors reinforced that account with testimony from Gerhardt’s son, Emile Konig, who told jurors his father called him shortly after the attack and admitted he had tried to kill his wife, blaming it on her alleged affair.

“He would not be making it back to Maui… and that he tried to kill her,” Emile testified.

He said his father later appeared on FaceTime with blood on his shirt and told him he planned to jump off a cliff before police arrived.

Prosecutors said he ended that call saying, “I’m going to go before the police catch me.”

Konig, however, took the stand and denied trying to kill his wife, telling jurors the confrontation spiraled out of control after an argument about the alleged affair.

He testified he discovered hidden messages between his wife and another man, calling it devastating and describing it as the turning point in their marriage.

On the trail, he claimed his wife shoved him, grabbed him and struck him with a rock and that he hit her only twice in self-defense.

A split image shows the Pali Puka hiking trail on Oahu, Hawaii, and Gerhardt Konig, who was accused of attacking his wife during a hike. (iStock; Honolulu Police Department)

“I felt horrified about what I did to her,” he said. “I resorted to violence against my wife… the person I love the most.”

He denied trying to push her off a cliff or using a syringe.

Police testified Konig fled the scene after the hikers intervened, triggering a manhunt before he was spotted with what appeared to be blood on his shirt and taken into custody after a struggle.

Investigators also recovered a bloodstained rock, clothing and bags allegedly containing medical supplies tied to the defendant.

The defense argued the incident was an “unplanned, unanticipated scuffle,” pointing to marital strain and expert testimony that her injuries were not life-threatening.

Arielle Konig rejected that characterization.

“I would call it an attack versus a scuffle,” she told jurors.

In the end, jurors had to decide whether jealousy and suspicion turned into a calculated attempt to kill or a volatile confrontation that spiraled into violence.

Stepheny Price covers crime, including missing persons, homicides and migrant crime. Send story tips to stepheny.price@fox.com.