REDWOOD CITY, CA - DECEMBER 6:  Marvin Threatt the former dean of students at Scott Peterson's high school leaves after testifying for the defense during the Scott Peterson sentencing phase on December 6, 2004 at the San Mateo County courthouse in Redwood City, California .  Peterson was found guilty of first degree murder of his wife Laci and second degree murder of their unborn son and could face the death penalty. (Photo by David Paul Morris/Getty Images)POOL PHOTO