text:  In April 1991 , Carol Matthews and Richard Kevin <unk> ( <unk> <unk> ) were <unk> from Germany to the United States in order to appear in federal court in Portland , Oregon . Law enforcement officials from the United States <unk> Service traveled to Frankfurt , Germany and took custody of the Matthews and <unk> at Rhine Main Airport . On April 15 , 1991 , Matthews and <unk> appeared in federal court in Oregon , and both pleaded innocent to charges of conspiracy to commit murder and carrying out <unk> . On April 25 , 1991 , Richard Kevin <unk> pleaded guilty in federal court to participating in the murder conspiracy plot against Turner , and in exchange he received a sentence of five years in federal prison and the dismissal of other charges against him relating to firearms and <unk> . <unk> agreed to testify against the other members of the murder conspiracy . <unk> wrote on his plea agreement form : " In 1985 , meetings were held at the Rancho <unk> ... at which time the possible killing of the United States Attorney for Oregon was discussed . I participated in a number of these meetings and agreed with others to work toward that object . " Prosecutor Timothy J. <unk> III stated that <unk> had been a member of the <unk> commune in Oregon since it began in 1981 , and that the government was able to prove he joined the murder conspiracy at a point in time after May 25 , 1985 . <unk> said that <unk> was a member of a group called the " Circle of 38 " , which was the personal security force that guarded <unk> <unk> <unk> , and that he had served as a weapons instructor and policeman at the commune . <unk> told U.S. District Judge Malcom F. Marsh that he had suggested that guns for the murder conspiracy could be bought in Texas , instructed the <unk> about <unk> , took responsibility for the weapons while they were in the commune , and disposed of them when members of the murder conspiracy decided to flee the U.S. for Europe . In July 1991 , Carol Matthews entered a guilty plea and was convicted in federal court , she was sentenced to five years in prison . 
  