Luigi Mangione, a 26-year-old Penn grad, is accused of kiling UnitedHealthcare CEO Brian Thompson in Manhattan on Dec. 4.

The ghost gun allegedly in Luigi Mangione's possession when he was arrested has been matched to three shell casings recovered ...

Luigi Mangione is believed to be a person of interest in last week's deadly shooting of UnitedHealthcare CEO Brian Thompson, ...

Commissioner Jessica Tisch also said Wednesday that lab results matched suspect Luigi Mangione’s prints to a water bottle and ...

Luigi Mangione appeared to frequently discuss what he claimed were his health troubles -- including back pain, brain fog, and ...

Police in New York said Wednesday that forensic investigators were able to match the gun Luigi Mangione was carrying when he ...

Luigi Mangione was arrested on gun charges in Pennsylvania and faces a murder charge in New York for the death of ...

Luigi Mangione challenged his extradition to New York City during a hearing Tuesday and has been remanded in Pennsylvania without bail.

Here is what to know about Thomas Dickey, a Pennsylvania attorney who is representing United Healthcare CEO murder suspect ...

Fingerprints recovered from the scene of UnitedHealthcare CEO Brian Thompson 's killing in New York City match those of ...