You were trying to access an older item called police spying part 2.
Here is what we found via search:
Displaying all 2 items
Nazi "assassins", mischievous con-artists and power hungry spies... Black Sheep investigates how a pair of hoaxers convinced the government that New Zealand had been infiltrated by Nazi agents. Audio
The police commissioner answering allegations about The Special Investigations Group spying on various protest groups. Audio