Representative imageAn elderly couple has been charged with federal drug trafficking after US authorities allegedly recovered more than 345 pounds of suspected cocaine hidden inside a trailer they were towing through an American Border Patrol checkpoint in South Texas.Luke David Brader, 80, and Susan Brader, 74, were stopped at a Border Patrol checkpoint near Falfurrias on July 1, according to court documents obtained by USA TODAY. Luke was driving a white Dodge 2500 truck towing a white box trailer, while his wife, Susan, was in the passenger seat. During a routine immigration inspection, a Border Patrol K-9 alerted agents to the front wall of the trailer. The vehicle was then referred for a secondary inspection, where X-ray scans allegedly revealed a concealed compartment built into the