The plan was never to become an ICE agent. The plan, when I went to the Immigration and Customs Enforcement Career Expo in Texas last August, was to learn what it was like to apply to be an ICE agent. Who wouldn’t be curious? The event promised on-the-spot hiring for would-be deportation officers: Walk in unemployed, walk out with a sweet $50k signing bonus, a retirement account, and a license to brutalize the country’s most vulnerable residents without consequence—all while wrapped in the warm glow of patriotism. At first glance, my résumé has enough to tantalize a recruiter for America’s...