Both men were charged with various offences under the Act and sentenced to three months imprisonment.
However, police failed to find evidence linking the other two to the crime, and they were charged with less serious offences.
He says success is judged on the number of people we manage to charge with criminal offences.
Last year, we took 400 people to court charged with terrorist-related offences, including 38 for murder.
An increasing number of indigenous people were charged, with offences such as theft.
These investigations have led to 34 people being charged with trafficking-related offences.
Between 1976 and 1979, 3,000 people were charged with "terrorist offences".
He appeared in court in October 2007 charged with sexual offences.
More than 1,400 people have now appeared in court charged with riot-related offences.
The following day, she was charged with several offences and placed under house arrest on March 28.