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.

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.

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.

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.