Clinton called the fighting "a terrible law-enforcement problem" in U.S. cities along the Mexican border, but said it does not yet pose a major threat to overall U.S. security.

CNN: U.S. shares blame for Mexico drug violence, Clinton says

And he probably wondered at the identity of Lincoln's guests and gauged whether Major Rathbone looked like the type who could pose a threat to his plans.

NPR: Excerpt: 'Manhunt'