Maria Cramer

Peter Dering, the founder and chief executive of Peak Design, says he called the N.Y.P.D. tip line on Wednesday after receiving a wave of messages showing the suspect carrying a distinctive backpack.

Police released an image of a person of interest wanted for questioning regarding the killing. (Photo: NYPD)

A law enforcement officer said a suspect had been identified by someone who spotted him in a restaurant in Altoona.

The man, Luigi Mangione, was arrested in Altoona, Pa., on gun charges after he was spotted in a McDonald’s. He was carrying a handwritten manifesto criticizing health insurance companies, law enforcement officials said.

The 26-year-old suspect was charged with murder on Monday after his arrest at a McDonald’s in Altoona, Pa. An internal police report obtained by The Times said he had the potential to be seen as “a martyr and an example to follow.”

“You wack the CEO at the annual parasitic bean-counter convention. It’s targeted, precise, and doesn’t risk innocents,” was one of the passages written in the notebook.

NEW YORK — Luigi Mangione, who has been charged with killing the chief executive of UnitedHealthcare outside a company investors' day in Manhattan, was

New York police said they have new ideas about how the gunman who fatally shot a health care executive in Manhattan on Dec. 4 escaped after he fled through Central Park on a bicycle.

Investigators received a tip from the San Francisco Police Department identifying Luigi Mangione as a suspect before he was arrested in the killing of an insurance executive in midtown Manhattan, the New York FBI field office said Friday.