The Lone Wolf in London

In 1947, Inspector Garvey of Scotland Yard (Denis Green) suspects Michael Lanyard (Gerald Mohr), the reformed jewel thief known as "The Lone Wolf" is behind the theft of the priceless diamonds called the "Eyes of the Nile". Lanyard denies any involvement claiming that he is in London with his butler, Claudius Jamison (Eric Blore) to write a book on the jewels and was in New York (state) when they were stolen.