“They’d ridden two decades of escalating political polarization over immigration to the top of the agency. They brought with them an entrenched us-against-them defiance that they’d fostered in the Arizona desert, when, feeling maligned and misunderstood, they’d forged their own way. For better or worse, they’d had a hand in shaping virtually every aspect of the agency’s leadership and culture.” ProPublica: A Group of Agents Rose Through the Ranks to Lead the Border Patrol. They’re Leaving It in Crisis.