Ada County Sheriff’s Office detectives are investigating how the body of a 34-year-old Meridian man ended up on a small island in the Boise River just west of Willow Lane, according to the sheriff’s office blog.

Detectives began their investigation just after 7 p.m. July 10 when a member of the public who was in the river saw what appeared to be human remains on the island and called 911.

Garden City Police and members of the Boise Fire River Rescue Team went out to the island and found the body, which was in an advanced state of decomposition.

It is unclear how long the body had been in the water prior to July 10, the sheriff’s office said. The Boise River had been over flood stage for most of the spring and only dropped back down to normal seasonal levels last week.

Officials with the Ada County Coroner’s Office removed the remains on the morning of July 11 and did an autopsy.

Coroner’s officials identified the man as Andrew Joseph Lee Gatten. The cause and manner of death are pending. There were no obvious signs of fatal injury.

Coroner’s officials are waiting for the results of evidence tests, which could take several weeks to be processed.

No missing persons reports have been filed for Gatten, who did not appear to have a permanent residence.

Detectives are working to establish the last time Gatten was seen by anybody. He was in the Ada County Jail on a misdemeanor drug charge until he was released on May 4.

Anyone with information is encouraged to call Ada County non-emergency dispatch at 208-377-6790 or email

Source: Ada County Sheriff’s Office


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