A new SDSU study examines corruption by Customs and Border Protection agents. Meanwhile, the Trump administration plans on moving forward with collecting DNA from migrants in detention, a move civil rights groups call “deeply problematic.” Plus, Massachusetts Sen. Elizabeth Warren told a 8,500-strong San Diego crowd Thursday she will tax the wealthy to help the middle class. And, KPBS’ arts and culture reporter says the new “Joker” movie is a poor man’s Scorsese film.