Convicted in 2005 of abusing 40 students 1985-95, includingrossss indecency, indecent acts with child, possessing 485 images and 159 videos indecent images of children.
During the trial, the prosecution attempted to prove that Mr. Morrison indecently exposed himself, simulated indecent acts, and uttered profanities.
Sgt. Frank J. Ronghi is already charged with premeditated murder and indecent acts with a child.
Ms. Park's office said Mr. Yoon's "indecent acts damaged the national prestige," but it did not give details.
Three weeks later, all 18 were rearrested and charged with conspiracy, unlawful gathering, indecent acts, and again idleness.
The six face charges of conspiracy, dereliction of duty, cruelty and maltreatment, assault and indecent acts with another person.
Staff Sgt. Frank J. Ronghi is accused of murder and indecent acts with a child, Col. Ellis Golson said.
She is accused of indecent assault, common assault, soliciting a minor to perform indecent acts and verbal abuse.
He pleaded guilty to charges of murder, forcible sodomy and three counts of indecent acts with a child, she said.
He faces charges of premeditated murder and committing indecent acts with a child, which army officials said precluded a rape charge.
A hearing for a second cadet, Nicholas J. Hitchcock, a junior charged separately with "indecent acts," was postponed until after the holidays, a spokesman said.
