- A heavy law enforcement presence blocked part of a south suburban Dixmoor neighborhood Wednesday morning as authorities conducted court-authorized activity that included a fatal agent-involved shooting.

What we know: The scene at 145th Street and Cooper Avenue included FBI agents, Dixmoor police, Cook County sheriff's deputies and other first responders.

The FBI said an agent-involved shooting happened at about 7 a.m. One person died, and no FBI personnel were injured.