Police tipped off the feds after they recognized the 26-year-old’s face in surveillance images put out by the NYPD after Thompson, 50, was gunned down last week – but his mother wasn’t quite sure that was actually her son in the images. 

https://nypost.com/2024/12/13/us-news/luigi-mangiones-mother-spoke-with-the-feds-the-night-before-accused-unitedhealthcare-ceo-killer-was-arrested-sources/