 In 1969 she was hired as an acting assistant professor of philosophy at the University of California, Los Angeles (UCLA).UCLA's governing Board of Regents soon fired her due to her Communist Party membership; after a court ruled this illegal, the university fired her again, this time for her use of inflammatory language.In 1970, firearms registered to Davis were used in an armed takeover of a courtroom in Marin County, California, in which four people were killed.