Hawaii doctor discovers his destiny after prosecutors claim envy motivated him to attack wife on cliffside trek
Gerhardt Konig, a Hawaii physician, was convicted of attempted manslaughter based on serious mental or emotional disturbance after prosecutors claimed he attempted to kill his wife in a horrific, gory cliffside attack motivated by allegations of an affair.
After more than eight hours of deliberation, the jury found guilty on the lesser charge of attempted manslaughter, claiming serious mental or emotional disorder. Sentencing is planned for August 13.
Jurors in the case were shown horrific police body camera footage of Konig’s wife covered in blood, as well as the rock prosecutors claim he used to repeatedly bash her head, as they evaluated stunning testimony about what happened on a secluded Oahu hiking trail on March 24, 2025.
Prosecutors claimed the attack was motivated by jealousy and betrayal, citing what they characterized as a developing obsession with his wife’s alleged adultery in the months preceding the crime.
A forensic examiner said that detectives discovered Reddit searches and posts on adultery, wrath, and divorce on Konig’s laptop, including threads labeled “Lying again,” “It’s over,” and “I did a horrible thing.”
Authorities claimed Konig allegedly purchased a voice-activated recorder and researched distant hiking spots, including the Pali Puka Trail, using keywords such as “kill,” “death,” “cliff,” and “fall,” as well as a Dropbox folder labeled “Divorce.”
They claim that the digital trail discloses motives and plans.
According to prosecutors, the couple’s tensions boiled over on March 24, 2025, when they traveled from Maui to Oahu for what was intended to be a birthday celebration.
Arielle Konig testified that the hike became violent when her husband seized her and attempted to force her to the edge of a cliff.
LISTEN TO THE NEW ‘Crime & Justice with Donna Rotunno’ PODCAST
She told jurors that she pushed herself to the ground and clutched to foliage as he attempted to push her over, then saw him holding a syringe and instructing her to “hold still” before knocking it away.
She claimed that he grabbed a rock and struck her in the head, prompting her to cry and fear for her life.
Two hikers who heard her cries raced in and dialed 911.
Jurors later saw body camera footage of the aftermath, which showed Arielle injured, disoriented, and trying to remain conscious as bystanders attempted to help her.
Prosecutors supported that narrative with testimony from Gerhardt’s son, Emile Konig, who told jurors that his father called him shortly after the attack and admitted to trying to kill his wife, blaming it on her supposed affair.
LIKE WHAT YOU’RE READING? FIND MORE AT THE TRUE CRIME HUB.
“He would not be making it back to Maui… and that he tried to kill her,” Emile said.
He claimed his father later appeared on FaceTime with blood on his clothes, telling him he intended to jump over a cliff before police arrived.
Prosecutors said he closed that call by saying, “I’m going to go before the police catch me.”
Konig, on the other hand, took the stand and denied attempting to murder his wife, telling jurors that the fight over the alleged infidelity escalated the situation.
He claimed that he uncovered covert messages between his wife and another man, which was terrible and marked a turning point in their marriage.
On the walk, he said his wife shoved him, grabbed him, and struck him with a rock, but he only hit her twice in self-defense.
In the end, jurors had to decide whether jealously and suspicion led to a deliberate effort to kill or a volatile disagreement that escalated into violence.
