The drug kingpin takes the stage in Brooklyn. : Everyone agreed that the El Chapo case, which will hear its opening arguments tomorrow in federal court in downtown Brooklyn, is the biggest trial to hit the Eastern District of the New York U.S. Attorney’s office in years. The jurisdiction has presided over mob and terrorism cases, the FIFA soccer corruption proceedings, and the conviction of hedge-fund bandit Martin Shkreli. But these were small potatoes compared to El Chapo, a.k.a.