On display at the History of Pharmacy Museum in the College of Pharmacy at the University of is gum chewed by John Dillinger and deposited under a counter at his regular seat at the Owl Drug Store in downtown Tucson. Jesse Hurlbut who ran the store - filling prescriptions and serving meals - collected the gum after recognizing the gum chewing customer as Dillinger after the outlaw's arrest.

Jeffry Scott / Arizona Daily Star