Not sure if that's what the "4th shoe" is, but I read this from your link...
According to the DoJ’s subpoena, Google surrendered Rosen’s emails, who is described as “an aider and abettor and/or co-conspirator,” to the government.
204 posted on 05/20/2013 3:51:41 PM PDT by Jane Long
(While Marxists continue the fundamental transformation of the USA, progressive RINOs stay silent.)