Complicating matters is the fact that during her captivity Katerina becomes part of the Cheka.

FORBES: Fact and Comment

There are no mythical Cheka agents that we need to be scared of.

NEWYORKER: Net Impact

For all the name changes, the Cheka and its successors were known as machines of oppression and murder, by their own populations and abroad.

FORBES: Bin Laden Wanted to Rebrand Al Qaida to Improve Image