Acquittals and cases pending reduced the number of those actually convicted under the Espionage Act to about 600.
Annual target: Judge directed acquittals in the Crown Court which are attributable to failures in the review process.
The subsequent acquittals highlight the grievous miscarriages of justice.
Other documents were also handed in, including copies of official reports of previous acquittals of writers accused of conspiracy.
defendant's previous convictions or acquittals could have this effect.