The United States Post Office is the biggest business in the world. Every year it handles 45 billion pieces of mail and enough money to pay off the personal debts of everyone in the country. Policing that activity is the job of 800 postal inspectors. This story is account of one of those jobs and it begins in La Porte, Indiana where a few hours ago the body of Inspector Harry Gruber was found in an alley…

Directed by: Irving Cummings