06/08/2026
FOR IMMEDIATE RELEASE
June 8, 2026
Man Sentenced to Life in Prison for Murder of Man He Described as His Best Friend
RAPID CITY, S.D. — A Pennington County jury last month found 23-year-old Luke Birch guilty of second-degree murder in the killing of McGarland Walker VI, a man Birch had previously described to law enforcement as his best friend. Today, Seventh Circuit Judge Jeffrey Connolly sentenced Birch to life in prison. Second-degree murder is a Class B felony in South Dakota and carries a mandatory sentence of life imprisonment.
During the sentencing hearing, several members of Walker's family addressed the court, describing him as a devoted husband, son, and father whose life mattered deeply to those who loved him.
Evidence presented at trial showed Walker was shot six times and killed on March 8, 2024, inside a west Rapid City apartment building. Testimony established that Birch and Walker had been involved in an argument, much of which occurred over the phone. Following the shooting, Birch fled the scene and took steps to conceal his involvement in the crime.
"This was a senseless and tragic act of violence that took the life of McGarland Walker VI. Mr. Walker's family has endured an unimaginable loss, and while no sentence can restore what was taken from them, we hope today's outcome provides some measure of accountability and closure," said Chief Deputy State’s Attorney Adam Shiffermiller.
The case was prosecuted by Chief Deputy State's Attorney Adam Shiffermiller and Assistant Chief Deputy State's Attorney Olivia Siglin.