• "Call of Duty: Black Ops Cold War" has a side mission called Operation Red Circus
  • Players are asked to identify three suspects to clear the mission
  • Check out the these tips and tricks on how to identify suspects by collecting pieces of evidence

The Operation Red Circus in “Call of Duty: Black Ops Cold War” is a side mission that involves fans choosing three suspects from a list of eight. While it is not a complicated task, players need to gather pieces of evidence to solve the puzzle. For players who find themselves stuck, these tips and tricks could come in handy.

The three pieces of evidence needed to solve the puzzle in Operation Red Circus in “Call of Duty: Black Ops Cold War” could be found on Franz Kraus’ Ledger, on the Cassette Tape with Activities Report and on the Wristwatch Containing Dead Drop List. In searching for the evidence in Franz Kraus’ ledger, players could go to his apartment located in the Brick in the Wall mission. The ledger is in the cabinet just beside the bed.

Check the travel dates and cities and match them to the agents’ travel itineraries to trim down the list. Any of those names found in those cities on the same date is a suspect. At this point, players have multiple suspects, but it will trim down as they go along.

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The next piece of evidence for Operation Red Circus’ mission in “Call of Duty: Black Ops Cold War” is in the Cassette Tape with Activities Report in the Echoes of a Cold War mission. The evidence is on the table in the room after the zipline. Players should listen to the cassette tape and note the codenames mentioned in the tape that match those in Kraus’ ledger.

To identify the gender of every suspect, concentrate on the pronouns mentioned and take these down. The final evidence to identify the three suspects in Operation Red Circus in “Call of Duty: Black Ops Cold War” is available in different rooms in the Desperate Measures mission; look for the wristwatch.

It contains a list that mentions the codenames, cities and dates just like Kraus’ ledger. Use the information to arrive at the right three suspects. Mark these suspects on the Evidence Board, and you are clear to complete the Operation Red Circus mission of “Call of Duty: Black Ops Cold War.”