White Tape

Cases unlock in order, like levels. This is case 162 of 200.
Washington, Monday, February 19, 2001, 10 pm. At the headquarters of a federal counterintelligencecounterintelligence Work of detecting and stopping foreign spies who try to steal secrets from a country or its agencies. bureau, a black plastic bag, still dirty with soil, rests in an evidence envelope.
For fifteen years someone who signs "Ivory" has been selling secrets to the Russians, and no one knows who it is. On Sunday, at 8:30 pm, the team watching the main suspect found this bag taped under the wooden bridge of a park in Vienna, in the suburbs.
Inside, copies of the Bureau's list of double agents at the Russian embassy and a letter signed "Ivory". On the sign at the trailhead, a strip of white tape. If the list reaches Moscow, the names on it die.
Three people had a path to that list and to that bridge. One of them is Ivory.
Interrogation room at a federal bureau, Washington, 2001, with a two-way mirror and a black bag.
Suspects
Garland WhitacreComputer security supervisor at the Bureau, 25 years on the job, 56
Merritt KinsellaCounterintelligencecounterintelligence Work of detecting and stopping foreign spies who try to steal secrets from a country or its agencies. officer at the foreign intelligence agency, suspended under suspicion, Garland's brother-in-law, 54
Callie BrennickAssistant to the computer security supervisor, 27
The real case
Robert Hanssen, the FBI agent who spied for Moscow
Washington and Vienna (Virginia), United States, 1979 to 2001
Read the real case