Trial set for Overland Park man accused of stabbing captain on Hawaii snorkel tour

By Nick Sloan

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    OVERLAND PARK, Kan. (KMBC) — A trial date is now set for an Overland Park man accused of a violent stabbing aboard a snorkel tour boat off Hawaii’s Kona coast.

Online court records in Hawaii say that Avery Nissen is scheduled to stand trial on Aug. 25, 2026.

A pretrial conference is set for July 13.

Nissen pleaded not guilty during his arraignment, where a judge also kept his bail set at $1.57 million.

Court records show Nissen is charged with attempted second-degree murder, first-degree assault and second-degree assault.

An affidavit in the case said Nissen allegedly used a filet knife to stab the 62-year-old boat captain.

Other passengers intervened and restrained him until the boat returned to shore.

The victim suffered a stab wound to the abdomen along with cuts to his head and hands. He was hospitalized and listed in stable condition.

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