On July 23, 1977, a mass shooting occurred at the Uncle Albert's Lounge near Klamath Falls, Oregon, United States. 26-year-old DeWitt Henry, an unemployed truck driver, armed with a Colt AR-15 Sporter semi-automatic rifle, opened fire at the club. Six people were killed.

Perpetrator Henry was adopted as an infant in Bakersfield, California, by married couple Andrea Henry and Dewitt Henry. He was a 26-year-old, 6'3", 230 pound unemployed trucker at the time of the shooting, but he used to work as a bouncer at the establishment he would later attack. Prior to the shooting, he was convicted of negligent homicide.

Attack Henry got into an argument with Bill Ransom over a bar bill at the club located at 5711 S. Sixth Street. Ransom struck Henry during the argument. Henry said "I always liked you – just get on out of here." to James Williamson, the dishwasher at the establishment. After Williamson left, Henry opened fire, killing six people, including a pregnant woman. He also opened fire on two state troopers, who eventually arrested him after a gunfight, where the shooter was wounded.

Victims Deceased: Robert Dale Seater, 26, of Klamath Falls, Oregon Carrol Ann Seater, 23, of Klamath Falls, Oregon Michael Mortensen, 23, of Klamath Falls, Oregon Gary Lee Anderson, 27, of Klamath Falls, Oregon Andrew Walker, 22, of Medford, Oregon James Trueman, 25, of Kodiak, Alaska

Trial and imprisonment Dewitt Charles Henry was tried in Multnomah County Circuit Court in November 1979. He pleaded not guilty due to a "mental defect".

The jury did not believe the defense's arguments, and DeWitt was found guilty on six counts of first-degree murder and two counts of attempted murder. He was given six consecutive life sentences. He was not a candidate for the death penalty because Oregon did not have capital punishment at the time.

DeWitt Henry was incarcerated at the Oregon State Penitentiary without possibility of parole. Henry was incarcerated at the Snake River Correctional Institution, a medium-security prison in Eastern Oregon where he died at age 75 on 25 July 2026.

See also 1981 Salem, Oregon shooting 1984 Autzen Stadium shooting 1998 Thurston High School shooting 2015 Umpqua Community College shooting 2022 Bend, Oregon shooting

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