Attorneys for Luigi Mangione accused the Manhattan DA and the NYPD’s chief of detectives of not offering evidence of his mother’s alleged statement that killing United Healthcare CEO Brian Thompson was something she could see her son do, according to court documents.

During a December 2024 news conference, Chief of Detectives Joseph Kenny referenced information the FBI received from San Francisco police, according to the court filing made public Tuesday.

A police sergeant had reached out to the FBI after believing the murder suspect caught in pictures released by the NYPD bore a resemblance to Mangione, the filing recalled.

Kenny spoke of an alleged conversation between Mangione’s mother and San Francisco police, where she reportedly suggested that she could see her son gunning down

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