The patrol flights of the P-8A Poseidon and U-2 Dragon Lady aircraft began after President Donald Trump issued an executive order last Friday.

Changes to hiring and retention practices grew the department by 19,000 people in four years. But former officials warn that's still not enough for Trump's ambitious policy goals.

"Law enforcement is in a very precarious position right now and has been for a number of years in filling the ranks," said ...

The accord will expand the Trump administration’s footprint by deputizing National Guard members as immigration agents.