Possible Clues:

• What the whistleblower is capable of is informing
• Sister spies on the innocent ones, for starters, in foxhole producing strong public criticism
• What the whistle-blower is capable of is informing
• Threat continued in a broadcast
• Continued in a novel to point the finger informally perhaps at who's responsible
• Strong public criticism
• Tell the authorities who's responsible in Germany at sister agency - troop leader needs to be charged
• Tell the authorities who's responsible in Germany at sister agency - Turkish leader needs to be charged
• Public condemnation of awful auctioned inn
• Funny looking caution in end? That would be telling