We've read the court filing, and the person who tried to free the killer of UnitedHealthcare CEO Brian Thompson was neither Taylor Lorenz nor CNN's Donie O'Sullivan. As you'll remember, the two of them had a good laugh over their folk hero, Luigi Mangione. AdvertisementMan arrested on charges of impersonating an FBI agent in alleged attempt to free Luigi Mangione from jail https://t.co/nM1yucZIsX — Donie O'Sullivan (@donie) January 29, 2026Sorry, your friend didn't get sprung. New: Feds arrested a man who showed up last night to MDC Brooklyn claiming to be an FBI agent with a court order to release a prisoner. According to a law enforcement source, that prisoner was Luigi Mangione.