Vice President Kamala Harris is emphasizing her record as California attorney general to make her case for voters on border security.

Harris is defining her positions on border security independent of President Biden and running ads presenting herself as a tough-on-crime prosecutor.

Harris' approach could keep Arizona blue and narrow Trump's path to return to the White House.

In July, roughly 57,000 migrants were apprehended at the southern border, the lowest monthly figure of Biden's White House tenure.

The Cook Political Report recently shifted Arizona and Nevada from the 'lean Republican' category back to the 'tossup' column.