Bronson Leo Guillen was 29 when he disappeared from Tucson in late summer 2007. Family members last spoke with him on September 18, 2007; there was no sign he planned to leave. On September 19 he rented a U-Haul and was never seen again. He left behind his two personal vehicles. The U-Haul was found abandoned on September 24, 2007, but yielded no leads.

At the time he was described as a Hispanic male, 5 feet 8 inches to 5 feet 9 inches, 155 to 165 pounds, with brown hair in a short buzz cut, brown eyes and a mustache. Distinguishing tattoos include GUILLEN across his upper back, praying hands on his left chest, E.S. on his left calf and B.P. on his right calf; he was known to wear a gold bracelet with different saints. Clothing worn the day he vanished is unknown; he typically wore extra-large t-shirts, pants with a 36 to 38-inch waist and size 9 1/2 shoes.

The Tucson Police Department continues to list him as missing and the case remains unsolved. If anyone knew Bronson or has information about his movements in September 2007, please share what you know.