Hi-Fi murders

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Hi-Fi murders
The deceased victims: Stanley Walker, Sherry Michelle Ansley, and Carol Naisbitt (stated as Mrs. Byron Naisbitt, using her husband's name)
Location	Ogden, Utah, United States
Date	April 22, 1974
Attack type	Robbery, rape, murder, mass shooting
Weapons	.25 caliber and .38 caliber handguns, ballpoint pen, Drano
Deaths	3
Injured	2
Perpetrators	Dale Selby Pierre William Andrews Keith Roberts Three unknown men

The Hi-Fi murders were the torture of five people resulting in three deaths during a robbery at the Hi-fi Shop, a home audio store in Ogden, Utah, United States, on the evening of April 22, 1974. Several men entered the Hi-fi Shop shortly before closing time and began taking hostages. They forced their victims to drink corrosive drain cleaner, which the perpetrators believed would fatally poison their hostages, but instead caused burns to their mouths and throats. Further violence included kicking a pen into an ear and the brutal rape of an eighteen-year-old woman, before three of the victims were fatally shot. The two surviving victims were left with life-changing injuries.

Police only had enough evidence to convict three enlisted United States Air Force airmen: Dale Selby Pierre, William Andrews, and Keith Roberts; the three others involved were never caught.^[1] Pierre and Andrews were both sentenced to death and executed for murder and aggravated robbery, while Roberts, who had remained in a getaway vehicle, was merely convicted of robbery. The crime became notorious for its extreme violence and later accusations of racial bias in the Utah judiciary.^[2][3]