Designer Marc Jacobs stated he would act as a stylist for Luigi Mangione during his trial. Jacobs made the comment during a Vanity Fair "Lie Detector Test" segment after being asked if he would dress Mangione for court proceedings.

Jacobs commented on Mangione's clothing style, noting, "I think he actually dresses quite well," and identified him as a "trendsetter." The remarks triggered social media debate, with some users finding the comments humorous while others argued that discussing fashion in the context of a murder case treats the individual like a fashion icon.

Mangione, 28, gained internet attention for his clothing, including a burgundy sweater seen in court that reportedly sold out at Nordstrom. He faces federal and New York state charges following the shooting of UnitedHealthcare CEO Brian Thompson in Manhattan on December 4, 2024.

On August 14, 2026, Mangione pleaded guilty in federal court to two counts related to stalking that resulted in Thompson's death, and he admitted to shooting Thompson.

Public reaction to the case has been divided. While some condemn the killing, others have expressed sympathy for Mangione, viewing him as a symbol of resistance against the American health insurance industry. Thompson had faced long-standing criticism regarding insurance policies and claim denials, including practices such as prior authorization.