On Saturday, October 7th a Hallettsville Police Officer conducted a traffic stop in the 600 Blk W Fairwinds St for a traffic violation. During the investigation, the adult female was in possession of a pistol and a useable amount of cocaine. The Adult Female (43) of San Antonio, was arrested for PCS PG 1/1B<1G and unlawful carry of a weapon. She was transported and booked into the Lavaca County Jail.