Ivy League suspect in UnitedHealthcare CEO's killing pleads not guilty

Luigi Mangione, the suspect accused of murdering UnitedHealthcare CEO Brian Thompson on Dec. 4 in Manhattan, pleaded not guilty in a Manhattan criminal court on Monday morning.

Mangione, 26, was arraigned on 11 state charges, including murder in the first degree, murder in the second degree as a crime of terrorism, and multiple weapons charges. If convicted on the most serious charge, he could face up to life in prison without parole.

The charges include one count of murder in the first degree...