BEAVER, Utah — A routine traffic stop on Interstate 15 in Beaver County led to the discovery of a significant drug cache, resulting in the arrest of one woman on drug-related charges and suspicion of immigration violations. The incident unfolded Monday when a Utah Highway Patrol trooper stopped a vehicle traveling northbound just outside Beaver for having an expired registration. The driver, later identified as 31-year-old Stefany Freites Aular, informed the trooper that the vehicle was uninsured. However, during the interaction, the officer noticed inconsistencies in the driver’s travel story, prompting further suspicion. According to a probable cause affidavit, the…