ROUND ROCK, Texas (KXAN) -- The Round Rock Police Department arrested 32-year-old Christopher Smith for the alleged theft of multiple catalytic converters and the possession of narcotics on Monday. As of Wednesday morning, Smith did not have an attorney listed for comment regarding his case. Whenever Smith has an attorney listed, KXAN will reach out for a comment. Bill passes Texas Senate that would crack down on catalytic converter thieves The Round Rock Police Department arrested 32-year-old Christopher Smith for the alleged theft of multiple catalytic converters and the possession of narcotics on Monday. (Round Rock Police Department Photo)The Round Rock Police Department arrested 32-year-old Christopher Smith for the alleged theft of multiple catalytic converters and the possession of narcotics on Monday. (Round Rock Police Department Photo)The Round Rock Police Department arrested 32-year-old Christopher Smith for the alleged theft of multiple catalytic converters and the possession of narcotics on Monday. (Round Rock Police Department Photo) On Monday afternoon, RRPD said officers conducted a traffic stop near the 600 block of McNeil Road. During the stop, officers found Smith allegedly had several catalytic converters, narcotics and tools used to steal catalytic converters. Catalytic converters are used in vehicles to convert pollutants like carbon monoxide into less harmful substances like nitrogen and water vapor, according to Triple-A. Smith was booked into the Williamson County Jail. He is currently charged with possession of a controlled substance, unauthorized possession of a catalytic converter, and unlawful use of a criminal instrument.