Reece Jones talks about his book "Nobody Is Protected: How the Border Patrol Became the Most Dangerous Police Force in the United States"
https://www.penguinrandomhouse.com/books/691580/nobody-is-protected-by-reece-jones/
Reece Jones is a Guggenheim Fellow and political geographer who studies the relationship between states, borders, and people on the move. He teaches at the University of Hawaii.