(To be clear, there was a strain of Jewish-American organized crime around the turn of the last century [3], but that isn't what Jones was referring to.)
The source from Vox is Media Matters, which is literally a Democrat party source. I watched the video therein, and it's farily clear he's talking about the Emmanuels, not Jews as a whole.
Also, even if there were a Jewish mafia, discussing Jewish organized crime is no more anti-Jewish than discussing Italian organized crime is anti-Italian.
Also, even if there were a Jewish mafia, discussing Jewish organized crime is no more anti-Jewish than discussing Italian organized crime is anti-Italian.