Examine the Ship's logs and find the crew of the "Sea Unicorn" | The Fate of Black Peter SH: Crimes and Punishments Guide

Head to Scotland Yard and take the corridor on the left. Walk to the end of it and enter the Interrogation Room. Talk to Neligan about his father.

Move to Woodman's Lee and once again examine one of the Ship's logs. The important entry is the one from August.

Canadian Pacific Railway - C.P.R.

Notice the torn-out pages and a piece of Bond certificate (click). Return to Baker Street.

After talking to Watson, approach the window and call Wiggins.