“It is reasonable for Americans to have security concerns about immigration. But as a scholar of forced migration, I believe it’s also important to consider why migrants travel in groups: their own safety.” (They’re not coming to get you. They’re trying to avoid being raped or killed.) Karen Jacobsen: Migrants travel in groups for a simple reason.

+ For a look at what it’s like on these trips, check out The Beast: Riding the Rails and Dodging Narcos on the Migrant Trail by Oscar Martinez.

+ WaPo: Pentagon plans to dispatch 800 more troops to U.S.-Mexico border in response to migrant caravan.