According to CBS affiliate KGWN, the jury found Uden guilty of second-degree murder in the 1970s death of Ronald Holtz.
During the trial, Alice Uden claimed his death was a case of self-defense.
Investigators found the man’s remains in an abandoned mine in Wyoming last summer.
In September 2013, police arrested Alice Uden and her husband, Gerald, in Chadwick, Mo.
Gerald Uden pleaded guilty to shooting his ex-wife and his sons, ages 10 and 11, in Wyoming in 1980. He was sentenced to life in prison.
The bodies of his wife and sons were never found.
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