Are you talking about In re Boucher? http://en.wikipedia.org/wiki/In_re_Boucher http://en.wikipedia.org/wiki/In_re_Boucher In that case the government could o

Are you talking about In re Boucher? http://en.wikipedia.org/wiki/In_re_Boucher http://en.wikipedia.org/wiki/In_re_Boucher In that case the government could only compel the defendant to produce his keys because they already knew what was on the drive in question.