The man accused of killing UnitedHealthcare’s CEO has been charged with murder as an act of terrorism.

The day after a masked gunman killed the CEO of UnitedHealthcare in New York City, police in San Francisco gave the FBI a potentially valuable tip about the identity of the suspect.

A Florida woman is facing charges after she was accused of threatening her health insurance company with a phrase linked to the United Healthcare CEO killer.

Social media posts from Luigi Mangione show the man suspected of killing UnitedHealthcare CEO Brian Thompson underwent successful back surgery last year that alleviated debilitating chronic pain.

Police say the man charged with killing UnitedHealthcare CEO Brian Thompson was not a client of the medical insurer and may have targeted it because of its size and influence.

The killing of UnitedHealthcare’s CEO in New York has prompted health care companies to rethink and increase security for executives.

Up to $60,000 in reward money from the FBI and the New York Police Department's Crime Stoppers program was offered for tips leading to a break in the fatal shooting of UnitedHealthcare CEO Brian Thompson.

The suspect in the killing of the UnitedHealthcare CEO plans to fight extradition to New York to face murder charges, but officials hope to get him back with what’s called a governor’s warrant.

Memes and online posts in support of 26-year-old Luigi Mangione, who's charged with killing UnitedHealthcare's CEO, have mushroomed online.

New York City’s police commissioner says the gun found on the suspect in the killing of UnitedHealthcare’s CEO matches shell casings found at the crime scene.

Luigi Nicholas Mangione was apparently living a charmed one: the grandson of a wealthy real estate developer, valedictorian of his elite Baltimore prep school and with degrees from one of the nation’s top private universities.

The suspect in the killing of UnitedHealthcare’s CEO struggled with deputies and shouted while arriving for a court appearance in Pennsylvania a day after he was arrested at a McDonald’s and charged with murder.

Police believe the brazen killing of UnitedHealthcare’s CEO was carried out with a ghost gun.

Police arrested a “strong person of interest” Monday in the brazen Manhattan killing of UnitedHealthcare’s CEO after a McDonald’s employee in Pennsylvania alerted authorities to a customer who was found with a weapon and writings linking him to the ambush.

Police have arrested a suspect in the brazen Manhattan killing of UnitedHealthcare’s CEO after a quick-thinking McDonald’s customer and an employee in Pennsylvania alerted authorities to a customer who was found with a weapon, mask and writings linking him to the ambush.

After days of searching, police have announced the arrest of a suspect in the killing of UnitedHealthcare’s CEO outside a Midtown Manhattan hotel last week.

Police don’t know who he is, where he is, or why he did it.

As the search for UnitedHealthcare CEO Brian Thompson’s killer stretches into a fourth day and beyond the New York City limits, investigators are reckoning with a tantalizing dichotomy.

Nearly four days after the shooting of UnitedHealthcare CEO Brian Thompson, police still do not know the gunman’s name or whereabouts or have a motive for the killing.

Police officials say the gunman who killed the CEO of the largest U.S. health insurer likely left New York City on a bus soon after fleeing the scene on a bicycle and hopping in a cab.

In an era when online anger and social tensions are increasingly directed at the businesses consumers count on, Meta last year spent $24.4 million to surround CEO Mark Zuckerberg with security.

A message left at the scene of an insurance executive’s fatal shooting echoes a phrase commonly used to describe insurer tactics to avoid paying claims.

The masked gunman who stalked and killed UnitedHealthcare CEO Brian Thompson outside a Manhattan hotel used ammunition emblazoned with the words “deny,” “defend” and “depose,” a law enforcement official said Thursday.

New clues are emerging in the hunt for the masked gunman who stalked and killed UnitedHealthcare CEO Brian Thompson, including possible leads about his travel before the shooting and a message scrawled on ammunition found at the crime scene.

The man accused of killing the head of one of the biggest U.S. health insurance companies has been charged in New York with murder as an act of terrorism.

Brian Thompson led one of the biggest health insurers in the US but was unknown to millions of people his decisions affected.

A masked shooter shot and killed the chief executive officer of UnitedHealthcare on Wednesday morning in New York City.

UnitedHealthcare’s CEO has been shot and killed in what police say is a “brazen, targeted attack” outside a Manhattan hotel where the health insurer was holding its investor conference.

An alliance of unions representing 50,000 Kaiser Permanente workers in California, Oregon and six other states has called off a strike notice after reaching a tentative labor deal with the health care network.