"Insanity may be his only defense," former federal prosecutor Neama Rahmani told Newsweek, referring to Luigi Mangione.

The man accused of fatally shooting the CEO of UnitedHealthcare is expected to be arraigned in a Manhattan court on state ...

Luigi Mangione appeared Monday morning before Judge Gregory Carro. The arraignment is in regard to 11 charges filed against ...

Luigi Mangione was arraigned on state murder charges in New York City on Monday, where he pleaded not guilty. During his ...

Luigi Mangione, accused of killing UnitedHealthcare CEO Brian Thompson, appeared in court in New York City and pleaded not ...

The Ivy League-educated suspect is accused of gunning down UnitedHealthcare CEO Brian Thompson on a midtown Manhattan ...

The GiveSendGo defense fund for the 26-year-old Mangione was established by an anonymous group calling itself "The December ...

All the latest breaking news on Luigi Mangione. Browse Newsweek archives of photos, videos and articles on Luigi Mangione.

Luigi Mangione, the man accused of killing Brian Thompson, the CEO of UnitedHealthcare, made his first appearance in a New ...

The accused CEO killer looked less like an Ivy League college graduate on Monday, and more like federal inmate Number ...