The 63-Year-Old Career Activist Among the Protesters at ColumbiaVideos show Lisa Fithian, whom the police called a "professional agitator," working alongside protesters who stormed Hamilton Hall.
Source: The 63-Year-Old Career Activist Among the Protesters at Columbia (https://www.nytimes.com/2024/05/01/nyregion/columbia-university-protest-consultant-lisa-fithian.html)