December 29, 2025
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Officer disputes key quote in CEO assassination case

A San Francisco police sergeant has publicly denied being the investigator who heard an allegedly incriminating remark by the mother of accused UnitedHealthcare CEO assassin Luigi Mangione, contradicting a 2024 statement by NYPD’s chief of detectives and bolstering the defense’s claim that the quote was fabricated. Sgt. Michael Horan, who took a November 18, 2024 missing‑person report on Mangione before Brian Thompson’s Manhattan shooting, told Rolling Stone he never spoke with Mangione’s mother after her son became a suspect and that any such comment may have come from an FBI interview, as Mangione’s lawyers say discovery files contain no record of the quote NYPD publicly attributed to her.

High-Profile Homicide Prosecutions Police Conduct and Evidence Handling

📌 Key Facts

  • NYPD Chief of Detectives Joseph Kenny said at a Dec. 17, 2024 briefing that Mangione’s mother told an investigator the CEO ambush was something she could see her son doing.
  • Defense attorneys later said discovery contained no documentation of that remark, and have accused police of fabricating the quote.
  • SFPD Sgt. Michael Horan, identified as the detective who linked a missing‑person case to the NYPD suspect photo, now says he never had such a conversation with the mother after her son was identified and suggests the FBI, not SFPD, may have spoken to her that weekend.

📊 Relevant Data

In 2023, American Indian/Alaska Native people had an uninsured rate of 18.7%, Hispanic people 17.9%, Native Hawaiian/Pacific Islander 12.8%, Black people 10.0%, Asian people 6.2%, and White people 6.6%, compared to the overall U.S. uninsured rate of 8.0%.

Health Coverage by Race and Ethnicity, 2010-2023 — KFF

In a study of Medicare Advantage plans, initial claim denial rates were 7.3% for White beneficiaries, with higher rates observed for other racial and ethnic groups, contributing to disparities in access to care.

Medicare Advantage Denies 17 Percent Of Initial Claims — Health Affairs

Black people are 7.5 times more likely than White people to be wrongfully convicted of murder in the United States, with Black individuals comprising 53% of murder exonerations despite representing about 13% of the population.

Report: Black People 7.5x More Likely Wrongfully Convicted of Murder — Death Penalty Information Center

Official misconduct by police or prosecutors contributed to 54% of wrongful convictions in cases documented by the National Registry of Exonerations from 1989 to 2020.

Police misconduct among the leading causes of false convictions — USA Today