There is no available information in the provided sources regarding the death of Antonio Gutierrez-Rubio, age 41, who died on August 24, 2015, in Phoenix, AZ. The sources provided discuss various other topics, including crimes committed by illegal aliens, episodes of the TV show "Unsolved Mysteries," DEA forfeiture notices, and research on migrant deaths in Southern Arizona, but none of these sources mention Antonio Gutierrez-Rubio or the circumstances of his death.