Luigi Mangioni, the suspect in the killing of UnitedHealthcare CEO Brian Thompson, wrote online of the “devastating” effect a chronic back condition had on him as a young man.

The 26-year-old suspect was charged with murder in New York after being arrested at a McDonald’s in Altoona, Pa. He appeared ...

President Joe Biden is weighing whether to issue sweeping pardons for officials and allies whom the White House fears could ...