Four Americans who traveled to Mexico last week to seek health care got caught in a deadly drug-related shootout and were kidnapped by heavily armed men who threw them in the back of a pickup truck, officials from both countries said Monday. The four entered Matamoros, across from Brownsville, Texas, on Friday. They were traveling in a white minivan with South Carolina license plates, according to officials. MORE: https://www.cbs8.com/article/news/local/texas/americans-kidnapped-in-mexico/285-21f36615-6b98-4ab9-8550-550c3ddd640c