![The Great Detectives Present Box 13 show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/037/189/small/the-great-detectives-of-old-time-radio-box-13.jpg)
Summary: <p>A letter to Box 13 puts Dan Holiday in the middle of a complicated blackmail scheme.</p> <p>Original Air Date: December 22, 1948</p>
Summary: <p>A letter to Box 13 puts Dan Holiday in the middle of a complicated blackmail scheme.</p> <p>Original Air Date: December 22, 1948</p>