Sounds like a job for the NSA. With their surveillance apparatus, data lake, and analysis tools, they'd be able to make quick work of tracking and apprehending

Sounds like a job for the NSA. With their surveillance apparatus, data lake, and analysis tools, they'd be able to make quick work of tracking and apprehending illegal border entries... That would be a much better way to spend their time and money than invading the privacy of actual US citizens.