Campbell was convicted of killing Renae Wicklund, her eight-year old daughter Shannah, and a neighbor, Barbara Hendrickson. In a previous rape case, Wicklund had testified that Campbell had attacked and sodomized her and held a knife to her baby's throat in a prosecution that sent him to prison. Upon his release, Campbell committed the murders. He appealed his conviction and sentence for 12 years.
Campbell refused to cooperate with the execution. He had to be moved from his cell using pepper spray and he was hanged strapped to a board. It took prison officials 90 seconds to place a hood on his head and to fix the noose before the trap was opened. Death was instantaneous.
In 1996, the Legislature amended state law and lethal injection became the authorized method of execution, unless the defendant chooses hanging.