 During the Rat Finks Investigation, a New Jersey political scandal, Felzenberg served as a lawyer for the probe headed up by William F. Tompkins.The Rat Finks were an ultra-conservative faction within the New Jersey Young Republicans that were accused of being racist and anti-Semitic.During one of the group's national conventions in Wildwood, New Jersey, a delegate complained that the group had issued a songbook with lyrics to popular songs that were derogatory toward Blacks and Jews.