The story was originally set in Southwestern Pennsylvania, the home state of writer Tony Urban. The setting was changed to Southern Illinois when producers decided to film there. Almost all references to Pennsylvania were changed - except one. Lenny's comment about the neighbors vacationing in Delaware is one of the few references that remains unchanged.
During the robbery, Suzy has the bag of food in her hands as she walks to the back of the store to tell #3 to hurry up. When she is seen next entering the office the bag is missing.
Before they go rob the fast food place, they run into a semi which breaks their taillight. After they rob the fast food place, they leave and you can clearly see that the taillight is still intact. Later in the movie the taillight is broken.
Ron Lake: You boys ever been in love with a woman? Other than Pamela Anderson? You want to know what it feels like to be in love with someone, and have that someone be fucking someone else? It's like having a rat in your stomach, chewing and crawling its way through all your organs, stopping only long enough to shit, piss and laugh at ya. And that rat gets up into your heart, and stays there sometimes for years. Sometimes forever.