Police don't know who he is, where he is, or why he did it. As the frustrating search for UnitedHealthcare CEO Brian Thompson’s killer got underway for a fifth day Sunday, investigators reckoned ...

We like that there are over 1.7 million providers that are part of UnitedHealthcare’s network, which should make it easier to find a doctor who accepts a plan than it is with some competitors.

Luigi Mangione pleaded not guilty Friday to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson as prosecutors formally declared their intent to seek the death penalty ...