Intelligence
The chalk mark that caught Aldrich Ames: how a CIA officer sold America's Soviet spies to the KGB
Aldrich Ames, the CIA officer who sold the KGB the names of America's Soviet sources, died in federal prison in January. Declassified reports, FBI wiretaps and court filings show how he did it, what it cost, and how a chalk mark on a Georgetown mailbox helped end it.
October 30, 2026 · 9 min read
