NEW : Judge denies motion to throw out charges , at least until director appears . Comment: Director acknowledged having unlawful sexual intercourse with a minor . Previous attempts to resolve the 1977 sex case have failed .
NEW : Judge denies motion to throw out charges , at least until director appears . Roman Polanski fled U.S. before his sentencing in '70s . Director acknowledged having unlawful sexual intercourse with a minor . Previous attempts to resolve the 1977 sex case have failed .