NEW : Sex offender , wife plead not guilty at arraignment . Authorities have search warrant for Garrido home relating to 1990 killings . Score: 6 Police : Phillip Garrido admitted abducting victim when she was 11 .
NEW : Sex offender , wife plead not guilty at arraignment . Authorities have search warrant for Garrido home relating to 1990 killings . Victim reportedly kept in isolation in backyard with children fathered by captor . Police : Phillip Garrido admitted abducting victim when she was 11 .