witnesses had described the shooter as between 25 and 30 years old and hispanic. the authorities then recovered the bicycle. they lifted fingerprints from it that linked brown to the ambush murder. brown was then the prime suspect in the case. he was charged by the maricopa county superior court with armed robbery and first degree murder on december 4. two days later, he was charged with a federal count of unlawful flight to avoid prosecution by united states district court for the district of arizona.