of immunity. there cosby in fact constituted a promise of immunity. there are cosby in fact constituted a promise of immunity. there are different. of immunity. there are different ways of immunity. there are different ways you of immunity. there are different ways you can of immunity. there are different ways you can regard of immunity. there are different ways you can regard the - of immunity. there are different. ways you can regard the question. you could ways you can regard the question. you could regard ways you can regard the question. you could regard it ways you can regard the question. you could regard it as ways you can regard the question. you could regard it as the - you could regard it as the prosecutor s you could regard it as the prosecutor s exercise - you could regard it as the prosecutor s exercise of. you could regard it as the - prosecutor s exercise of discretion and a prosecutor s exercise of discretion and a decision prosecutor s exercise