In this list of true prison stories, you'll learn how DIY weapon creativity is off the charts behind bars. Inmates make everything from flamethrowers to fully-functioning crossbows. Plus, there's the usual array of shivs, shanks, knives, and blades - all made out of ordinary items you can buy in the commissary or get brought in for you.
Here are 17 of the most creative and brutal weapons that have ever been made by prison inmates. Some facilitated escapes, others never got a chance to whack anyone in the face before they were sniffed out. But, they're all examples of how having a lot of time on your hands and a lot of enemies can lead to some disturbingly innovative means of protection.