HONOLULU, HI — The wife of a Maui anesthesiologist testified Tuesday that her husband tried to inject her with a syringe and bashed her head with a rock during what was supposed to be a birthday hike on Oahu’s Pali Puka Trail.
Arielle Konig, 37, took the stand exactly one year after the alleged March 24, 2025 attack, recounting in vivid detail how her husband Dr. Gerhardt Konig allegedly grabbed her forcefully and pushed her toward a cliff edge before the brutal assault. The nuclear engineer’s testimony came during the second-degree attempted murder trial of her husband, who has pleaded not guilty and whose defense attorney claims the attack was self-defense after Arielle Konig tried to push him from the trail.
Arielle Konig told the Honolulu courtroom that the attack began after she posed for a cliffside selfie her husband had requested, then asked him to move so she could safely step back from the precipice. “He grabbed me really forcefully by my upper arms and he said, ‘I’m so fucking sick of this shit. Get back over there.’ And he starts pushing me back towards the cliff,” she testified. Initially thinking her husband was joking, she said she threw herself to the ground to grab hold of trees and shrubs when she realized the danger. Gerhardt Konig then climbed on top of her with a syringe in hand, she testified, telling her to hold still before she batted the weapon away.
The alleged assault escalated when Gerhardt Konig began looking through his backpack while holding her down with one hand, Arielle Konig testified. “He’s saying, ‘Fuck you, you’re done. I’m so, so sick of your shit, so done with you,'” she recalled. She said she saw him holding a vial and fought back by biting his forearm and squeezing his testicles while screaming for help. “He’s telling me, ‘Shut the fuck up. Nobody’s gonna hear you out here. Nobody’s coming to save you,'” she testified, adding that she pleaded with him by saying their children would become orphans if he killed her. Prosecutor Joel Garner told jurors during opening statements that Gerhardt Konig called his teenage son after the incident and allegedly confessed, saying “I tried to kill Arielle, but she got away.”
The alleged attack occurred three months after Gerhardt Konig discovered what his wife characterized as “flirty” WhatsApp messages between her and a coworker in December 2024, which both spouses referred to as an “emotional affair.” The couple had been attending counseling sessions and appeared to be making progress rebuilding trust, Arielle Konig testified. On the morning of the hike, Gerhardt Konig had given his wife a birthday card expressing his love and calling her “the heart of our family,” which defense attorney Thomas Otake had her read aloud during cross-examination. The couple, who have two young children together, had traveled from their Maui home to Oahu specifically to celebrate Arielle Konig’s birthday. She testified that she felt “hopeful that this was a turning point for us in our marriage.”
Two female hikers, including nurse Sarah Bucksbom, witnessed the attack and called 911 after hearing Arielle Konig’s screams. “Her face was covered in blood. Her head was covered in — she was just fully covered in blood,” Bucksbom told the court. In the 911 call played during the trial, the hikers described seeing “a man trying to kill her” whose face was covered in blood. Arielle Konig testified that when she heard a woman say she was calling 911, Gerhardt Konig “froze” and she was able to crawl away. The two women helped her down the trail while an hourslong manhunt ensued before officers found Gerhardt Konig leaving the forest. Arielle Konig was hospitalized with severe scalp lacerations and showed the jury a large scar toward the front of her head during her testimony.
Defense attorney Thomas Otake argued during opening statements that Arielle Konig initiated what he called an “unplanned, unanticipated scuffle” and hit her husband with the rock first during an argument about her affair. “She attacked him, pushed him, and they ended up in a scuffle on the ground,” Otake said, claiming Gerhardt Konig hit his wife with the rock only once in response. The defense attorney denied that his client tried to push his wife off the cliff or had syringes, and disputed that Gerhardt Konig made a confession to his son, instead arguing he called to apologize and say goodbye while feeling suicidal. Otake told jurors his client “was going back and forth between jumping off the cliff” after the incident. Arielle Konig filed for divorce in May 2025, seeking full custody of their two children, and Gerhardt Konig has remained in jail since his arrest.
Gerhardt Konig worked as an anesthesiologist with the Anesthesia Medical Group in Hawaii and was previously employed at the University of Pittsburgh Medical Center. Following his arrest, Maui Health suspended his medical staff privileges at Maui Memorial Medical Center pending investigation. A judge denied his motion to dismiss the indictment last month, and he faces up to life in prison if convicted of the attempted murder charge.

