Duncan Peder McKenzie, Jr., (October 5, 1951 – May 10, 1995) was convicted of the murder of a Conrad, Montana schoolteacher named Lana Harding on January 21, 1974.
After his conviction in March 1975, he was on death row for 20 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 20 years or more on death row and still eventually be executed.
He is 1 of only 3 people to have been executed in Montana since the reinstatement of the death penalty.