text:  A man was arrested on multiple drug charges Wednesday following a traffic stop at the intersection of US 231 and Indian Street in Jasper. Jasper police say that 31-year-old David Porter violated the terms of his driving conditions. Canine Gator alerted police to drugs in Porter's vehicle, and police found meth and other illegal substances. Porter was arrested on charges of possession of meth, possession of a controlled substance, possession of a legend drug, and violation of the terms of his driving conditions.