The attack outside Laramie
Matthew Shepard was a 21-year-old gay student at the University of Wyoming. On October 6, 1998, he encountered Russell Henderson and Aaron McKinney at a bar in Laramie. The two men left with Shepard and drove him outside the city, where he was assaulted, restrained and abandoned.
Shepard was discovered alive many hours later and taken for emergency medical care in Fort Collins, Colorado. He never regained consciousness and died several days later. Henderson and McKinney were arrested soon after the attack.
Russell Henderson's guilty plea
On April 5, 1999, Henderson pleaded guilty to kidnapping and murder rather than proceed to a capital trial. A Wyoming judge imposed two consecutive life terms. Henderson later testified for the prosecution in McKinney's case.
The plea established Henderson's criminal responsibility without requiring a jury verdict. It also separated his legal outcome from the later trial of McKinney, whose charges and verdict were not identical.
Aaron McKinney's trial
McKinney went to trial in the fall of 1999. The jury convicted him of felony murder, kidnapping and aggravated robbery. It did not convict him of premeditated murder. That distinction matters: the final case record should not replace the jury's actual verdict with a broader label.
During the penalty phase, an agreement supported by Shepard's parents removed the possibility of execution. McKinney received two life sentences. Contemporary reporting described the agreement as one that would keep him imprisoned for life and foreclose an appeal under its terms.
Was the crime legally a hate crime?
The murder rapidly became a national symbol of anti-LGBT violence. Later U.S. Department of Justice statements said the investigation found strong evidence that Shepard's attackers targeted him because he was gay. At the same time, the defendants were prosecuted under Wyoming criminal law for murder, kidnapping and related offenses — not under a federal sexual-orientation hate-crime statute, because no such federal protection existed at the time.
In later interviews, the men disputed or reframed aspects of motive. Those later claims do not alter the murder convictions, but they are a reason to distinguish the adjudicated offenses from broader public debate about motive. This archive therefore describes the case as a hate-crime landmark without falsely stating that Henderson or McKinney was convicted of a hate-crime count.
The federal-law legacy
More than a decade later, Congress enacted the Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act. The law expanded federal authority to prosecute certain bias-motivated violence, including crimes motivated by a victim's actual or perceived sexual orientation, gender identity or disability. It was signed into law in October 2009.
The later statute did not retroactively change the charges in Shepard's murder. Its significance is legislative: his name became attached to a federal expansion of hate-crime protections after years of political debate.
Timeline
October 6, 1998: Matthew Shepard is attacked outside Laramie, Wyoming.
October 1998: Shepard dies after several days of hospital treatment; Henderson and McKinney face homicide-related charges.
April 5, 1999: Russell Henderson pleads guilty to kidnapping and murder and receives two consecutive life terms.
November 1999: a jury convicts Aaron McKinney of felony murder, kidnapping and aggravated robbery; he later receives two life sentences.
October 2009: the Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act becomes federal law.
Current status
The murder is Solved / Adjudicated. Russell Henderson and Aaron McKinney were both convicted for their roles in Matthew Shepard's killing and received life sentences. The case's later role in hate-crime legislation is documented separately from the crimes of conviction.