The Assassination of Alan Pinkerton

History records that the famous Alan Pinkerton - founder of both the Pinkerton Detective Agency and the United States Secret Service - died from a head injury suffered from a fall in Chicago.

But a mysterious visitor to 221B Baker Street in London has a story to tell Holmes and Watson.

A story that calls into question the cause of Pinkerton’s demise. Months later, and thousands of miles away, can Holmes deduce the truth about Pinkerton’s death?