American boy and it's this young man," said San Francisco-based doctor Philip Zimbardo. "He is a wonderful young man who did these horrible things." Myers said Frederick, who was in charge of the night shift at Abu Ghraib, was poorly trained. The counsel argued that the military chain of command must bear some responsibility. But prosecutor Major Michael Holley told the court Frederick was an adult who could tell right from wrong. Two other U.S. soldiers have been sentenced to between eight months and a year in jail after pleading guilty to abuses at Abu Ghraib, a jail notorious for executions and torture under Saddam Hussein. Five more face courts martial. Judge Pohl originally sentenced Frederick to 10 years in prison, but cut this to eight because of a plea bargain. --More 0059 Local Time 2159 GMT