Tags: New York City

Luigi Mangione allegedly plotted to "wack" UnitedHealthcare CEO Brian Thompson at least a month in advance, prosecutors alleged in a federal complaint filed Thursday.

A lawyer and former federal prosecutor for the state of California has predicted difficulties in selecting a jury for the trial of Luigi Mangione, the alleged killer of UnitedHealthcare CEO Brian Thompson.

The 26-year-old accused murderer reportedly suffered from chronic back pain