Luigi Mangione, the man accused of gunning down UnitedHealthcare CEO Brian Thompson outside a Manhattan hotel in December, ...

Here's everything we know about alleged CEO killer Luigi Mangione, including his background, his family and how police connected him to Brian Thompson's shooting death.

Two large anonymous donations have boosted the legal defense fund for Luigi Mangione, the 26-year-old accused of killing UnitedHealthcare CEO Brian Thompson, as his case moves toward a potential ...