Duncan McKenzie (murderer)

Duncan McKenzie
McKenzie in 1990
Born
Duncan Peder McKenzie Jr.

(1951-10-05)October 5, 1951
DiedMay 10, 1995(1995-05-10) (aged 43)
Cause of deathExecution by lethal injection
Criminal statusExecuted
ConvictionsDeliberate homicide
Aggravated kidnapping resulting in death
Sexual intercourse without consent
Second degree assault
Criminal penaltyDeath (March 3, 1975)
Details
VictimsDebra Prety, 15
Lana Harding, 23
DateOctober 26, 1973
January 21, 1974
CountryUnited States
StatesIdaho and Montana

Duncan Peder McKenzie Jr. (October 5, 1951 – May 10, 1995) was convicted of the murder of a schoolteacher from Conrad, Montana named Lana Harding on January 21, 1974. After his conviction in March 1975, he was on death row for twenty years, receiving eight stays of execution. His ninth stay of execution was denied by the United States courts of appeals.

McKenzie was executed on May 10, 1995. He was the first person executed in Montana since 1943, and also the first ever U.S. death row inmate to spend twenty years or more on death row and still eventually be executed. He is one of only three people to have been executed in Montana since the reinstatement of the death penalty. He was the only person of the three to be executed involuntarily.

In 2021, DNA tests posthumously linked McKenzie to a separate sexual assault and murder of a 15-year-old girl in Idaho in 1973.