Tip to San Fran police helped FBI identify UnitedHealth CEO suspect, Luigi Mangione: source

The missing poster, which was acquired by Fox News, displays a photo of a smiling Mangione and indicates that his missing person report was filed on Nov. 18, approximately two weeks before he reportedly shot and killed Thompson in a brutal manner outside the New York Hilton Midtown hotel. This poster is distributed to various agencies to aid in the search for a missing person.

Missing Person flyer seeking information on Luigi Mangione in San Francisco

A missing poster released by the San Francisco Police Department seeking details on Luigi Mangione, who was reported missing on November 18, 2024. Mangione was later discovered in Altoona, PA, where he is currently being held in custody as the primary suspect in the homicide of Brian Thompson, the CEO of United Healthcare. (Handout)

According to sources within the police department, Mangione’s mother contacted authorities to file the missing person report, mentioning that she had last spoken to her son around July 1 and that he was employed at True Car.

The location given for a work address was 124 Montgomery, which is permanently closed and there is no phone number.  

Mangione’s mother said she didn’t know any other place her son would frequent in San Francisco, per the source. 

mangione eating a mcdonalds hashbrown with mask hanging from one ear

United Healthcare CEO slaying suspect Luigi Mangione pictured at a McDonald’s in Altoona, Pennsylvania, on Monday, Dec. 9, 2024. (Pennsylvania State Police)

Authorities arrested Mangione in a McDonald’s in Altoona, Pennsylvania, on Monday, at which point he allegedly presented local police with a fake ID and appeared to start shaking when they asked if he had been in New York recently.

In New York, Mangione faces one count of murder, two counts of second-degree criminal weapons possession, one count of second-degree possession of a forged document and one count of third-degree criminal weapons possession.

In Pennsylvania, he faces one count of forgery, one count of carrying a firearm without a license, one count of tampering with records or identification, one count of possession of instruments of a crime and one count of presenting false ID to law enforcement, according to court documents.

Fox News Digital has reached out to the FBI for comment.

Fox News’ Matt Finn, Christina Coulter, Louis Casiano and Michael Lundin contributed to this report.

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