ICE arrested former minor league catcher Juan Miguel Castillo in Boston on January 15, 2026, in a fentanyl trafficking case with public health stakes.<br />The ICE arrest is part of the agency’s “worst of the worst” initiative in New England targeting criminal noncitizens.<br />Castillo remains in custody as an unlawfully present immigrant and faces charges involving 10 grams or more of fentanyl and two counts of assault and battery.<br />That quantity triggers mandatory minimums under federal law and is described as potentially lethal to thousands.<br />Born in Santo Domingo, he played seven seasons in the Cardinals and Royals systems with two mid-season All-Star selections.<br />Boston remains a focal point for immigration enforcement amid elevated at-large ICE arrests in 2025.
