CIUDAD VICTORIA, Mexico (AP) — Four Americans who traveled to Mexico last week to seek health care got caught in a deadly shootout and were kidnapped by heavily armed men who threw them in the back of a pickup truck, officials from both countries said Monday. ”Brown said the group was extremely close and they all made the trip in part to help split up the driving duties. For years, a night out in the city was part of the “two-nation vacation” for spring breakers flocking to Texas’ South Padre Island