HONOLULU — Final arguments are set for Tuesday in the attempted murder case against an anesthesiologist who allegedly attacked his wife on a dangerous hiking trail overlooking Hawaii’s coastline.
Nearly one year has passed since Gerhardt and Arielle Konig took what should have been a scenic walk on the Pali Puka trail in Honolulu, but the outing ended with her covered in blood and shouting that he had attempted to murder her. Gerhardt Konig has entered a not guilty plea to the charges.
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EDITOR’S NOTE: This story contains references to domestic violence. Those seeking assistance can contact the national domestic violence hotline at 1-800-799-7233.
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The pair had traveled to Hawaii’s capital for a birthday celebration in March 2025, leaving their two young children at home on Maui. According to prosecutors, the 47-year-old doctor became enraged about his wife’s involvement with a colleague and allegedly attempted to force her over the edge of the steep path, struck her head with a stone, and tried to attack her with a medical syringe.
The proceedings, which have been broadcast live on Court TV, have exposed the couple’s troubled relationship and presented two dramatically different accounts of the mountain confrontation.
During his testimony, Gerhardt Konig revealed he had discovered his wife’s extramarital relationship by accessing her phone without permission while she was asleep. Arielle Konig described the relationship as an “emotional affair” consisting of flirtatious text exchanges with a workplace colleague, and said this topic arose during their hike.
Arielle Konig told the court that her husband seized her and attempted to force her toward the precipice, but she managed to throw herself to the ground to resist. She testified that he positioned himself over her while holding a syringe, which she managed to knock from his grasp. In her struggle to escape, she bit his arm and grabbed his groin area, she stated.
Gerhardt Konig disputed claims that he tried to push her off the cliff and instead testified that she struck him with a rock on his face. He said he took the rock from her and hit her twice with it as a defensive measure.
He rejected allegations about carrying syringes on the mountain or attempting to stab her. His legal representative reminded jurors that no syringe was recovered at the location.
Two other hikers who heard Arielle Konig’s cries for help assisted her descent from the trail.
The Pali Puka trail, whose name translates to “pierced cliff” in the Hawaiian language, leads to an opening in a rocky ridge where visitors can view the forest and ocean beyond. State authorities have officially closed the trail due to safety concerns, but hikers frequently bypass barriers through a small gap, disregarding posted warnings that state: “Area Closed! Do not go beyond this sign.”
Gerhardt Konig testified that as he observed his wife moving away from him, he realized both his marriage and professional life were finished and contemplated suicide by jumping. However, he first contacted his adult son from an earlier marriage. According to authorities, the son reported that his father admitted he “tried to kill your stepmom” — a statement Gerhardt Konig denies making.
He remained on the mountain for several hours before choosing to descend and turn himself in to law enforcement.
His wife has subsequently initiated divorce proceedings.
