Who is Luigi Mangione's 'copycat' Briana Boston arrested for 'you are next' threat?

A Florida woman, Briana Boston, was arrested for threatening her health insurance provider, BlueCross BlueShield, echoing the phrase used by the alleged killer of a UnitedHealthcare CEO. Boston's threat, inspired by the recent killing, resulted in charges of threats to conduct a mass shooting or act of terrorism. He lawyer said she was overcharged as she only made those threats over the telephone which should come under freedom of speech.