# XIII: Circumstantial Evidence explained — The Great Airport Mystery

> Chapter companion for The Great Airport Mystery by Franklin W. Dixon.

## What happens

The Hardy boys are arrested for the airport mail robbery based on circumstantial evidence: Frank's lost sweater with his name tag, Joe's unique shoe prints, and Frank's knife found at the scene. Despite their protests of innocence, Chief Collig insists on the evidence. Fenton Hardy, though confident of their innocence, decides to investigate the airport to find more clues.

## Themes in this chapter

### Justice and Vindication

The boys are falsely accused and must prove their innocence against strong circumstantial evidence.

### Deception and Evidence

The chapter highlights how misleading clues and circumstantial evidence can wrongly implicate the innocent.

## Character check-ins

### Frank Hardy

Arrested and questioned; his sweater and knife are used as evidence against him.

### Joe Hardy

Arrested; his unique shoe prints are presented as evidence.

### Fenton Hardy

Supports his sons and plans to investigate the airport.

### Chief Collig

Arrests the boys and presents the circumstantial evidence.

### Mrs. Hardy

Anxious and frightened by the arrest.

## Key lines

> The Hardy boys were absolutely dumbfounded. The charge of theft seemed so absurd that they were at first tempted to laugh.

The Hardy boys were so shocked by the accusation of theft that they almost found it funny.

_Shows their disbelief at being accused._

> We found a sweater, for one thing. It was a blue sweater, with white trimmings.

Chief Collig reveals that a blue sweater with white trim was found at the crime scene.

_Key piece of evidence against Frank._

> I didn’t leave the footprints there, insisted Joe doggedly. Someone else must have a pair of those shoes, same size as mine.

Joe stubbornly maintains his innocence, suggesting that someone else could own the same shoes.

_Joe's defense against the footprint evidence._

## Links

- HTML: https://www.betterreads.online/discover/the_great_airport_mystery_se/chapters/xiii-circumstantial-evidence
- Book: https://www.betterreads.online/discover/the_great_airport_mystery_se
- All chapters: https://www.betterreads.online/discover/the_great_airport_mystery_se/chapters