The Hoover man accused of drowning his wife during their 2003 honeymoon has pleaded guilty to manslaughter in an Australian court.

Gabe Watson, 32, entered his plea in Brisbane Supreme Court at 10 a.m. Friday, 7 p.m. Thursday Central Standard Time, according to the Australian newspaper Brisbane Times.

Brisbane Times also reports Watson will be sentenced Friday.

While in court, Watson admitted he failed to fulfill his responsibilities as his wife’s dive buddy during a scuba diving expedition on the Great Barrier Reef, Brisbane Times said.

Watson allegedly murdered Christina Thomas Watson of Helena on Oct. 22, 2003, just 11 days after their wedding. When Watson returned to Australia on May 12 to stand trial, he was arrested by authorities at Brisbane International Airport and jailed.