UnitedHealth CEO Brian Thompson: Updates on search for shooter [Video]

NEW YORK –

Warning: The video attached to this article contains disturbing content.

The masked gunman who stalked and killed the head of one of the largest U.S. health insurers had the words “deny,” “defend” and “depose” emblazoned on his ammunition, echoing a phrase used by industry critics, two law enforcement officials said Thursday.

The words were written in permanent marker, according to one of the officials, who were not authorized to publicly discuss details of the investigation into the shooting early Wednesday outside a Manhattan hotel and spoke to The Associated Press on the condition of anonymity.

• Who was UnitedHealthcare CEO Brian Thompson?

With the gunman still at large, police also released photos of a “person of interest” wanted for questioning in connection with the killing of UnitedHealthcare CEO Brian Thompson.

The images, showing an unmasked man in the lobby of a Manhattan hostel, add to a collection of photos and video that have circulated since the shooting — including footage …