Every day from before sunrise until late into the night, undocumented immigrants across the United States are being picked up by Immigration and Customs Enforcement officers, the front-line soldiers in President Trump’s crackdown on illegal immigration. Increasingly, the arrests are collateral: Officers detain people they come across while looking for somebody else. Guest: Jennifer Medina, who recently spent a day in the field with immigration officers. For more information on today’s episode, visit http://nyti.ms/2vdRpkR.