Gerhardt Konig buried his face in his hands as he listened to the verdict in court. In early April, a Hawaii jury found him guilty of trying to kill his wife in a fit of rage. When determining the extent of his punishment, he can expect a maximum of 20 years in prison.
According to his lawyer, however, the trial was a “he said, she said” situation. However, it was not only the wife’s and husband’s statements that faced each other in the courtroom: even the accused’s son, sitting on the witness stand, confirmed one of the narratives. Let’s see what was said and on what basis Konig was finally sentenced!
Birthday trip turned into a nightmare
Gerhardt Konig worked as an anesthesiologist in Hawaii, divorced and met nuclear engineer Arielle Konig in 2018. After they married, they moved to Maui, had two sons, and together raised one of Konig’s sons from a previous marriage. “Since we settled down, our life has been like a dream” – he said later. However, according to their relatives, their relationship broke down around 2024. Even Konig felt that something was wrong. He suspected that Arielle was cheating on him with her co-worker. He hid his phone and made long calls.
In December 2024, Konig confronted his wife by looking at their text messages. Arielle admitted to cheating on her emotionally and flirting with her colleague. He claimed, however, that nothing more had happened and that he would do everything to repair the marriage. Although Konig was devastated by the truth, he decided to give Arielle another chance. According to family members who testified in court, the couple also went to therapy and seemed to be getting along better.
In March 2025, the man organized a birthday getaway for his wife’s 36th birthday. They traveled to Oahu, where they wanted to hike a scenic hiking trail. On the first day of the trip, they went shopping for the first time. The Pali Puka tour was planned for the second day. Konig presented his wife with a necklace and a heartfelt love card, and then they left. The reports differ from this point on, but they still agree in some details.
According to Konig, almost immediately after the start of the tour, an argument broke out between them over his wife’s affair. Therefore, he turned off the path to a different path and they continued the tour separately. He later regretted the altercation and went back to his wife, who he says apologized. They then took photos with each other on a cliff as a sign of peace. From there, the reports completely differ. Sure enough, it wasn’t long before two other hikers heard cries for help and rushed over. The source of the sound was Arielle Konig, who was lying on her back with a bleeding head on the edge of the narrow, rocky path, her husband was kneeling over her and hitting her on the head with a bloody stone.
Contradictory stories
Konig he denies itthat he wanted to kill his wife. According to his claim, after taking photos, he looked down into the gaping gap next to them and then felt someone push him from behind. According to the man, he started shouting at Arielle, who in turn attacked him and then hit him with a stone. According to Konig, during the struggle, he took the stone from the woman’s hand and hit her on the head with it. Then came the two hikers with whom the woman fled. “I believe in self-defense. But at that moment it was more of an impulse,” he told the jury, adding that he felt terrible for hitting his wife. So much so that he wanted to kill himself afterwards.
“Didn’t you plan to kill your wife on the mountain that day?” the defense asked him, to which he answered no. However, his wife and some of the witnesses presented a completely different story to the jury.

The two witnesses on the body camera recording of the police officer who arrived at the scene, helping Arielle Konig on March 24, 2025 – Source: KHNL
According to Arielle Konig, soon after they set off, she already felt that the route was not an easy terrain for novice hikers like her. He found the trail too steep and wanted to turn back. Her husband, on the other hand, didn’t seem to care if she was left behind or not, and went on. According to the woman, when her husband looked back later, he was surprised that she was there and did not turn back. Konig then wanted to take pictures on the narrow rock path, Arielle Konig but he was scared from the chasm in front of them, and he didn’t want to take a selfie. Instead, he tried to step away from the chasm and held on to a tree so he wouldn’t get dizzy. As she passed her husband, he grabbed her arm and started pulling her towards the edge of the cliff.
“He grabbed my upper arm and said, ‘I’ve had enough of this bullshit, come back here now.’ Then he started pushing me towards the rock.”
– he said later the woman in court. She didn’t give up and started fighting with her husband. They fell to the ground while he was trying to cling to a tree. Her husband settled on her, then she saw that he was holding a syringe in his hand. “Stay still!” she said, according to her testimony. Arielle Konig, on the other hand, knocked the injection needle out of her hand and tried to free herself with all her strength. He bit the doctor’s upper arm, grabbed his testicles and screamed for help. In the process, Konig grabbed a rock and hit him in the head several times, according to the victim, about ten times.
“I started screaming because I knew he was trying to knock me unconscious and drag me to the ravine. So I screamed as hard as I could,” she said. That’s when two women appeared who heard Arielle yelling and immediately called the police. “He froze and knelt away from me. I slowly crawled away,” she testified about her husband. The two women escorted the victim with a bleeding head off the hiking trail because he could not walk on his own. Fortunately for Arielle Konig, both women were nurses, but still was taken in serious condition to the hospital. Meanwhile, Gerhardt Konig remained frozen on the spot. Yet He hid for 8 hours on the mountain and, after venturing down, tried to escape from the police.
According to his son, there was no question of self-defense
According to the indictment, despite the fact that the couple’s relationship seemed to be improving, this was not the reality. Arielle Konig in her first submission he also claimedthat from the moment the flirtatious messages were discovered, her husband also sexually abused her. According to the woman’s family members, despite this, the man made an embarrassing effort to pretend that everything was fine on the outside. According to the prosecution, behind the scenes, Gerhardt Konig planned the murder in advance.
According to them, this proves that he researched before the attackwhat would happen if his wife died, would he receive a widow’s pension afterwards. In court, the doctor claimed that it meant nothing. According to the indictment, the idea of the attack on the hiking trail did not come out of nowhere. In early 2025, the doctor treated a patient at the hospital who fell off a cliff and was injured. From there, he searched for several local rocky hiking trails on the Internet. One website included a detailed description of Oahu’s Pali Puka Trail, much of which runs alongside a huge ravine. A warning has even been posted on the site asking people to tread carefully. Konig claimed that he chose it not because of the steep and dangerous route, but because of the scenic view.
According to the prosecution the doctor’s primary plan was to push the woman off the cliff. And plan AB was the syringe. However, the prosecution could not prove that Konign had a syringe. The nurse who rushed to Arielle’s aid he didn’t see a needle Konig’s hand, and nothing of the sort was found at the scene. The defense attorney argued that the syringe was completely unreasonable anyway. With that much force, the man could have drugged his wife in advance and then pushed her off the cliff, argued Thomas Otake. “You’d use the syringe first. It makes no sense” – he said.
According to the prosecution, Plan C was the stone. There are two narratives about this, right? According to Gerhardt Konig, the woman hit him first, he just took the stone out of her hand and hit back. Still, on top of it there was hardly any visible damage. According to Arielle Konig, the doctor started hitting her in the head and hit her about 10 times. According to the forensic expert of the defence, this is not true, he could have received two or three blows at most. Witnesses saw only one blow, but the injuries suggest at least two. According to the prosecution only the woman’s blood could be detected on the surface of the stone and on the couple’s clothes, not the doctor’s.

The stone used in the attack is in the evidence bag at the court – Photo: KHON
Among the witnesses, the most surprising and perhaps the most convincing was Gerhardt Konig’s 19-year-old son, Emile. He is the one who lived with his father and his wife. The young man testified that his father called him immediately after the attack. Konig, by his own admission, had an emotional breakdown and called his child to say goodbye to him before committing suicide. “She told me she wasn’t going back to Maui and to take care of my little siblings. She also said that Ari, my stepmother, cheated on her and she tried to kill me” – he said Emile Konig, who confirmed that there may have been an intent to kill.
An hour later, Konig called his son again and told him again that he was going to jump off the cliff because he didn’t want the police to catch him and that he had been considering suicide for months anyway. The 19-year-old referred to his father only as “the accused” and said he had not spoken to him since he called him on the day of the attack. “My son saved my life that day. But I put him in the position he’s in now, where he thinks I wanted to kill Arielle.” he said Konig in tears in court.
The doctor denied that he had told his son on the phone that he wanted to kill his wife. He admitted that, due to his emotional agitation, he was not entirely clear about what had been said. He remembers telling his son that his wife wanted to kill him, and he hit her and left her bleeding. “I think I told myself that Arielle would think I wanted to kill her” – he explained his own version of the man. However, according to Emile Konig he didn’t mention it to her at all her father on the phone that it was self-defense.
Hawaii law requires that if someone has committed or attempted murder, it must be reviewed to determine whether it was self-defense or whether the perpetrator committed the crime while under severe mental or emotional distress. If any of these are present, the charge will be reduced to attempted negligent homicide. This also happened in the case of Gerhardt Konig.
The jury he saw it that waythat Konig did not try to kill his wife in self-defense, but due to emotional infidelity, he had such a state of mind that he could not control his actions. Therefore, he was not charged with the more serious, deliberate attempt to commit murder, but with the attempted murder committed out of a sudden impulse. Even with this lighter charge, he will definitely be behind bars, and it will be decided in August exactly how many years he will be sentenced to. The maximum penalty is 20 years in prison.












