Free images results:

Jail pictures, stock photos and images


Lonely Tree Stock Photography
Author: Nitzu
Barbwire Royalty Free Stock Photo
Author: Belka

Also, here are some commercial RF-licensed images that match your search criteria:  
Jail Royalty Free Stock Images
Author: Omarsheriff

Explore more commercial options: More Jail Stock Illustrations & Vectors | More Jail Stock Video Footage