Investigators are working to track the source of the high-powered weapons seized following a car chase near La Joya.
DPS troopers had tried to pull over a Honda sedan Friday night when the vehicle sped off. A brief chase ensued before the vehicle was stopped. A search of the car turned up a cache of firearms and ammunition, including several fully automatic rifles, a 50 caliber rifle, along with several shotguns and handguns, and more than 3,500 rounds of ammo. The driver was arrested on unspecified weapons charges.