The ex-chief microbiologist at Tripler Army Medical Center has pleaded guilty to a federal charge of sending sexually explicit messages to a person he believed to be a 14-year-old girl as he tried to lure her into a sexual relationship.

Retired U.S. Army Lt. Col. Alexander Kaleolani Kayatani, 49, aka “Daddy Dom,” pleaded guilty Aug. 12 to one count of attempted transfer of obscene matter to a minor.

He was originally charged April 18 with one count of attempted coercion and enticement of a minor.

Kayatani will be sentenced Dec. 4 at 1:30 p.m. by Senior U.S. District Judge J. Michael Seabright.

Kayatani worked at Tripler until July 1, 2023. He served in the U.S. Army from June 28, 1997, until July 1, 2023. During the pandemic, Kayatani helped oversee COVID-19 testing at Tripler.

He is

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