Trump border wall

Trump, the promise-maker

Illustration: Sarah Grillo/Axios

One of President Trump's under-appreciated re-election assets is something all politicians promise but few do: He has largely done precisely what he promised his base he would do.

Why it matters: In our travels around the country, when we push people on why they're sticking with Trump, this is the #1 reason they cite.

Number of migrants arrested at border drops for first time in 5 months

A border patrol officer checks a migrant's arm which is in a cast.
Border Patrol checks the arm of an immigrant from Guatemala. Photo: John Moore/Getty Images

In July, the number of migrants arrested or turned away at the southwest border fell below 100,000 — to 82,049– for the first time in 5 months, according to new Homeland Security data.

The big picture: The significant drop in border activity comes as Mexico has cracked down on immigration enforcement following President Trump's threat to impose tariffs on Mexican goods. Guatemala also recently signed a “safe third country“ agreement, which will force more asylum seekers to pursue protection in Guatemala instead of the U.S.