UnitedHealth Group is facing a class action lawsuit from investors, who allege the company misled them after the December killing of top executive Brian Thompson.

A group of investors in UnitedHealthcare sued the company, alleging that it misled them after the assassination of its CEO, Brian Thompson. The class action lawsuit, filed in the Southern District of New York,

The company never told investors how it planned to shift its strategy following public backlash and increased government scrutiny, the new lawsuit alleges.