Despite the president designating the group as a terrorist organization, almost all of the 37 men flagged by Chicago police as possible members have faced only drug charges and citations for driving infractions.

Here, between parties, concerts and weeks-long visits from wives and children, is the birthplace of the Tren de Aragua, a dangerous gang that has gained global notoriety after U.S. President Donald Trump put it at the center of his anti-immigrant narrative.

As justification for deporting some immigrants in the country without due process, President Donald Trump said the United States is under invasion. “Evidence irrefutably demonstrates that [Tren de Aragua] has invaded the United States,” a March 15 ...