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Hawaii Doctor Testifies He Hit Wife With Rock in Self-Defense in Alleged Cliffside Attack

Jurors now weigh his claim against prior testimony backed by digital plus medical evidence.

Overview

  • Gerhardt Konig, on the stand Wednesday, denied a confession and any syringe and said he struck his wife with a rock only to protect himself.
  • His son testified Tuesday that a FaceTime call minutes after the incident included a statement that he had tried to kill Arielle and a plan to jump, with blood visible on his shirt.
  • Arielle Konig earlier told jurors he shoved her toward a drop on the Pali Puka Trail, produced a syringe, and hit her head several times with a rock before hikers intervened.
  • Investigators outlined laptop activity about infidelity and remote hikes, a Dropbox folder labeled “Divorce,” and a purchased voice recorder, while the defense says police never found a syringe and a paid expert downplayed the injury severity.
  • Police arrested Konig after a manhunt the same day in March 2025, he remains in custody facing a potential life term with parole, and cross-examination is set to continue as the trial proceeds in Honolulu.